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Rule 16. Discovery and Inspection

(a) Government's Disclosure.

(1) Information Subject to Disclosure.

(A) Defendant's Oral Statement. Upon a defendant's request, the government must disclose to the defendant the substance of any relevant oral statement made by the defendant, before or after arrest, in response to interrogation by a person the defendant knew was a government agent if the government intends to use the statement at trial.

(B) Defendant's Written or Recorded Statement. Upon a defendant's request, the government must disclose to the defendant, and make available for inspection, copying, or photographing, all of the following:

(i) any relevant written or recorded statement by the defendant if:

• statement is within the government's possession, custody, or control; and

• the attorney for the government knows—or through due diligence could know—that the statement exists;

(ii) the portion of any written record containing the substance of any relevant oral statement made before or after arrest if the defendant made the statement in response to interrogation by a person the defendant knew was a government agent; and

(iii) the defendant's recorded testimony before a grand jury relating to the charged offense.

(C) Organizational Defendant. Upon a defendant's request, if the defendant is an organization, the government must disclose to the defendant any statement described in Rule 16(a)(1)(A) and (B) if the government contends that the person making the statement:

(i) was legally able to bind the defendant regarding the subject of the statement because of that person's position as the defendant's director, officer, employee, or agent; or

(ii) was personally involved in the alleged conduct constituting the offense and was legally able to bind the defendant regarding that conduct because of that person's position as the defendant's director, officer, employee, or agent.

(D) Defendant's Prior Record. Upon a defendant's request, the government must furnish the defendant with a copy of the defendant's prior criminal record that is within the government's possession, custody, or control if the attorney for the government knows—or through due diligence could know—that the record exists.

(E) Documents and Objects. Upon a defendant's request, the government must permit the defendant to inspect and to copy or photograph books, papers, documents, data, photographs, tangible objects, buildings or places, or copies or portions of any of these items, if the item is within the government's possession, custody, or control and:

(i) the item is material to preparing the defense;

(ii) the government intends to use the item in its case-in-chief at trial; or

(iii) the item was obtained from or belongs to the defendant.

(F) Reports of Examinations and Tests. Upon a defendant's request, the government must permit a defendant to inspect and to copy or photograph the results or reports of any physical or mental examination and of any scientific test or experiment if:

(i) the item is within the government's possession, custody, or control;

(ii) the attorney for the government knows—or through due diligence could know—that the item exists; and

(iii) the item is material to preparing the defense or the government intends to use the item in its case-in-chief at trial.

(G) Expert Witnesses.

(i) Duty to Disclose. At the defendant’s request, the government must disclose to the defendant, in writing, the information required by (iii) for any testimony that the government intends to use at trial under Federal Rule s of Evidence 702, 703, or 705 during its case-in-chief, or during its rebuttal to counter testimony that the defendant has timely disclosed under (b)(1)(C). If the government requests discovery under the second bullet point in (b)(1)(C)(i) and the defendant complies, the government must, at the defendant’s request, disclose to the defendant, in writing, the information required by (iii) for testimony that the government intends to use at trial under Federal Rule s of Evidence 702, 703, or 705 on the issue of the defendant’s mental condition.

(ii) Time to Disclose. The court, by order or local rule, must set a time for the government to make its disclosures. The time must be sufficiently before trial to provide a fair opportunity for the defendant to meet the government’s evidence.

(iii) Contents of the Disclosure. The disclosure for each expert witness must contain:

a complete statement of all opinions that the government will elicit from the witness in its case- in-chief, or during its rebuttal to counter testimony that the defendant has timely disclosed under (b)(1)(C);
the bases and reasons for them;
the witness’s qualifications, including a list of all publications authored in the previous 10 years; and
a list of all other cases in which, during the previous 4 years, the witness has testified as an expert at trial or by deposition.

(iv) Information Previously Disclosed. If the government previously provided a report under (F) that contained information required by (iii), that information may be referred to, rather than repeated, in the expert-witness disclosure.

(v) Signing the Disclosure. The witness must approve and sign the disclosure, unless the government:

states in the disclosure why it could not obtain the witness’s signature through reasonable efforts; or
has previously provided under (F) a report, signed by the witness, that contains all the opinions and the bases and reasons for them required by (iii).

(vi) Supplementing and Correcting a Disclosure. The government must supplement or correct its disclosures in accordance with (c).

(2) Information Not Subject to Disclosure. Except as permitted by Rule 16(a)(1)(A)-(D), (F), and (G), this rule does not authorize the discovery or inspection of reports, memoranda, or other internal government documents made by an attorney for the government or other government agent in connection with investigating or prosecuting the case. Nor does this rule authorize the discovery or inspection of statements made by prospective government witnesses except as provided in 18 U.S.C. §3500.

(3) Grand Jury Transcripts. This rule does not apply to the discovery or inspection of a grand jury's recorded proceedings, except as provided in Rules 6, 12(h), 16(a)(1), and 26.2.

(b) Defendant's Disclosure.

(1) Information Subject to Disclosure.

(A) Documents and Objects. If a defendant requests disclosure under Rule 16(a)(1)(E) and the government complies, then the defendant must permit the government, upon request, to inspect and to copy or photograph books, papers, documents, data, photographs, tangible objects, buildings or places, or copies or portions of any of these items if:

(i) the item is within the defendant's possession, custody, or control; and

(ii) the defendant intends to use the item in the defendant's case-in-chief at trial.

(B) Reports of Examinations and Tests. If a defendant requests disclosure under Rule Rule 16(a)(1)(F) and the government complies, the defendant must permit the government, upon request, to inspect and to copy or photograph the results or reports of any physical or mental examination and of any scientific test or experiment if:

(i) the item is within the defendant's possession, custody, or control; and

(ii) the defendant intends to use the item in the defendant's case-in-chief at trial, or intends to call the witness who prepared the report and the report relates to the witness's testimony.

(i) Duty to Disclose. At the government’s request, the defendant must disclose to the government, in writing, the information required by (iii) for any testimony that the defendant intends to use under Federal Rule of Evidence 702, 703, or 705 during the defendant’s case-in- chief at trial, if:

the defendant requests disclosure under (a)(1)(G) and the government complies; or
the defendant has given notice under Rule 12.2(b) of an intent to present expert testimony on the defendant’s mental condition.

(ii) Time to Disclose. The court, by order or local rule, must set a time for the defendant to make the defendant’s disclosures. The time must be sufficiently before trial to provide a fair opportunity for the government to meet the defendant’s evidence.

(iii) Contents of the Disclosure. The disclosure for each expert witness must contain:

a complete statement of all opinions that the defendant will elicit from the witness in the defendant’s case-in-chief;
the bases and reasons for them;
the witness’s qualifications, including a list of all publications authored in the previous 10 years; and
a list of all other cases in which, during the previous 4 years, the witness has testified as an expert at trial or by deposition.

(iv) Information Previously Disclosed. If the defendant previously provided a report under (B) that contained information required by (iii), that information may be referred to, rather than repeated, in the expert-witness disclosure.

(v) Signing the Disclosure. The witness must approve and sign the disclosure, unless the defendant:

states in the disclosure why the defendant could not obtain the witness’s signature through reasonable efforts; or
has previously provided under (B) a report, signed by the witness, that contains all the opinions and the bases and reasons for them required by (iii).

(iv) Supplementing and Correcting a Disclosure. The defendant must supplement or correct the defendant’s disclosures in accordance with (c).

(2) Information Not Subject to Disclosure. Except for scientific or medical reports, Rule 16(b)(1) does not authorize discovery or inspection of:

(A) reports, memoranda, or other documents made by the defendant, or the defendant's attorney or agent, during the case's investigation or defense; or

(B) a statement made to the defendant, or the defendant's attorney or agent, by:

(i) the defendant;

(ii) a government or defense witness; or

(iii) a prospective government or defense witness.

(c) Continuing Duty to Disclose. A party who discovers additional evidence or material before or during trial must promptly disclose its existence to the other party or the court if:

(1) the evidence or material is subject to discovery or inspection under this rule; and

(2) the other party previously requested, or the court ordered, its production.

(d) Regulating Discovery.

(1) Protective and Modifying Orders. At any time the court may, for good cause, deny, restrict, or defer discovery or inspection, or grant other appropriate relief. The court may permit a party to show good cause by a written statement that the court will inspect ex parte. If relief is granted, the court must preserve the entire text of the party's statement under seal.

(2) Failure to Comply. If a party fails to comply with this rule, the court may:

(A) order that party to permit the discovery or inspection; specify its time, place, and manner; and prescribe other just terms and conditions;

(B) grant a continuance;

(D) enter any other order that is just under the circumstances.

Notes

(As amended Feb. 28, 1966, eff. July 1, 1966; Apr. 22, 1974, eff. Dec. 1, 1975; Pub. L. 94–64, §3(20)–(28), July 31, 1975, 89 Stat. 374, 375; Pub. L. 94–149, §5, Dec. 12, 1975, 89 Stat. 806; Apr. 28, 1983, eff. Aug. 1, 1983; Mar. 9, 1987, eff. Aug. 1, 1987; Apr. 30, 1991, eff. Dec. 1, 1991; Apr. 22, 1993, eff. Dec. 1, 1993; Apr. 29, 1994, eff. Dec. 1, 1994; Apr. 11, 1997, eff. Dec. 1, 1997; Apr. 29, 2002, eff. Dec. 1, 2002; Pub. L. 107–273, div. C, title I, §11019(b), Nov. 2, 2002, 117 Stat. 1825; Apr. 16, 2013, eff. Dec. 1, 2013.)

Notes of Advisory Committee on Rules—1944

Whether under existing law discovery may be permitted in criminal cases is doubtful, United States v. Rosenfeld, 57 F.2d 74 (C.C.A. 2d)—cert. den., 286 U.S. 556. The courts have, however, made orders granting to the defendant an opportunity to inspect impounded documents belonging to him, United States v. B. Goedde and Co., 40 F.Supp. 523, 534 (E.D.Ill.). The rule is a restatement of this procedure. In addition, it permits the procedure to be invoked in cases of objects and documents obtained from others by seizure or by process, on the theory that such evidential matter would probably have been accessible to the defendant if it had not previously been seized by the prosecution. The entire matter is left within the discretion of the court.

Notes of Advisory Committee on Rules—1966 Amendment

The extent to which pretrial discovery should be permitted in criminal cases is a complex and controversial issue. The problems have been explored in detail in recent legal literature, most of which has been in favor of increasing the range of permissible discovery. See, e.g. Brennan, The Criminal Prosecution: Sporting Event or Quest for Truth, 1963 Wash.U.L.Q. 279; Everett, Discovery in Criminal Cases—In Search of a Standard, 1964 Duke L.J. 477; Fletcher, Pretrial Discovery in State Criminal Cases, 12 Stan.L.Rev. 293 (1960); Goldstein, The State and the Accused: Balance of Advantage in Criminal Procedure, 69 Yale L.J. 1149, 1172–1198 (1960); Krantz, Pretrial Discovery in Criminal Cases: A Necessity for Fair and Impartial Justice, 42 Neb.L.Rev. 127 (1962); Louisell, Criminal Discovery: Dilemma Real or Apparent, 49 Calif.L.Rev. 56 (1961); Louisell, The Theory of Criminal Discovery and the Practice of Criminal Law, 14 Vand.L.Rev. 921 (1961); Moran, Federal Criminal Rules Changes: Aid or Illusion for the Indigent Defendant? 51 A.B.A.J. 64 (1965); Symposium, Discovery in Federal Criminal Cases, 33 F.R.D. 47–128 (1963); Traynor, Ground Lost and Found in Criminal Discovery, 39 N.Y.U.L.Rev. 228 (1964); Developments in the Law—Discovery, 74 Harv.L.Rev. 940, 1051–1063. Full judicial exploration of the conflicting policy considerations will be found in State v. Tune, 13 N.J. 203, 98 A.2d 881 (1953) and State v. Johnson, 28 N.J. 133, 145 A.2d 313 (1958); cf. State v. Murphy, 36 N.J. 172, 175 A.2d 622 (1961); State v. Moffa, 36 N.J. 219, 176 A.2d 1 (1961). The rule has been revised to expand the scope of pretrial discovery. At the same time provisions are made to guard against possible abuses.

Subdivision (a).—The court is authorized to order the attorney for the government to permit the defendant to inspect and copy or photograph three different types of material:

(1) Relevant written or recorded statements or confessions made by the defendant, or copies thereof. The defendant is not required to designate because he may not always be aware that his statements or confessions are being recorded. The government's obligation is limited to production of such statements as are within the possession, custody or control of the government, the existence of which is known, or by the exercise of due diligence may become known, to the attorney for the government. Discovery of statements and confessions is in line with what the Supreme Court has described as the “better practice” ( Cicenia v. LaGay, 357 U.S. 504, 511 (1958)), and with the law in a number of states. See e.g., Del. Rules Crim. Proc., Rule 16; Ill.Stat. Ch. 38, §729; Md. Rules Proc., Rule 728; State v. McGee, 91 Ariz. 101, 370 P.2d 261 (1962); Cash v. Superior Court, 53 Cal.2d 72, 346 P.2d 407 (1959); State v. Bickham, 239 La. 1094, 121 So.2d 207, cert. den. 364 U.S. 874 (1960); People v. Johnson, 356 Mich. 619, 97 N.W.2d 739 (1959); State v. Johnson, supra; People v. Stokes, 24 Miss.2d 755, 204 N.Y.Supp.2d 827 (Ct.Gen.Sess. 1960). The amendment also makes it clear that discovery extends to recorded as well as written statements. For state cases upholding the discovery of recordings, see, e.g., People v. Cartier, 51 Cal.2d 590, 335 P.2d 114 (1959); State v. Minor, 177 A.2d 215 (Del.Super.Ct. 1962).

(2) Relevant results or reports of physical or mental examinations, and of scientific tests or experiments (including fingerprint and handwriting comparisons) made in connection with the particular case, or copies thereof. Again the defendant is not required to designate but the government's obligation is limited to production of items within the possession, custody or control of the government, the existence of which is known, or by the exercise of due diligence may become known, to the attorney for the government. With respect to results or reports of scientific tests or experiments the range of materials which must be produced by the government is further limited to those made in connection with the particular case. Cf. Fla.Stats. §909.18; State v. Superior Court, 90 Ariz. 133, 367 P.2d 6 (1961); People v. Cooper, 53 Cal.2d 755, 770, 3 Cal.Rptr. 148, 157, 349 P.2d 1964, 973 (1960); People v. Stokes, supra, at 762, 204 N.Y.Supp.2d at 835.

(3) Relevant recorded testimony of a defendant before a grand jury. The policy which favors pretrial disclosure to a defendant of his statements to government agents also supports, pretrial disclosure of his testimony before a grand jury. Courts, however, have tended to require a showing of special circumstances before ordering such disclosure. See, e.g., United States v. Johnson, 215 F.Supp. 300 (D.Md. 1963). Disclosure is required only where the statement has been recorded and hence can be transcribed.

Subdivision (b).—This subdivision authorizes the court to order the attorney for the government to permit the defendant to inspect the copy or photograph all other books, papers, documents, tangible objects, buildings or places, or copies or portions thereof, which are within the possession, custody or control of the government. Because of the necessarily broad and general terms in which the items to be discovered are described, several limitations are imposed:

(1) While specific designation is not required of the defendant, the burden is placed on him to make a showing of materiality to the preparation of his defense and that his request is reasonable. The requirement of reasonableness will permit the court to define and limit the scope of the government's obligation to search its files while meeting the legitimate needs of the defendant. The court is also authorized to limit discovery to portions of items sought.

(2) Reports, memoranda, and other internal government documents made by government agents in connection with the investigation or prosecution of the case are exempt from discovery. Cf. Palermo v. United States, 360 U.S. 343 (1959); Ogden v. United States, 303 F.2d 724 (9th Cir. 1962).

(3) Except as provided for reports of examinations and tests in subdivision (a)(2), statements made by government witnesses or prospective government witnesses to agents of the government are also exempt from discovery except as provided by 18 U.S.C. §3500.

Subdivision (c).—This subdivision permits the court to condition a discovery order under subdivision (a)(2) and subdivision (b) by requiring the defendant to permit the government to discover similar items which the defendant intends to produce at the trial and which are within his possession, custody or control under restrictions similar to those placed in subdivision (b) upon discovery by the defendant. While the government normally has resources adequate to secure the information necessary for trial, there are some situations in which mutual disclosure would appear necessary to prevent the defendant from obtaining an unfair advantage. For example, in cases where both prosecution and defense have employed experts to make psychiatric examinations, it seems as important for the government to study the opinions of the experts to be called by the defendant in order to prepare for trial as it does for the defendant to study those of the government's witnesses. Or in cases (such as antitrust cases) in which the defendant is well represented and well financed, mutual disclosure so far as consistent with the privilege against self-incrimination would seem as appropriate as in civil cases. State cases have indicated that a requirement that the defendant disclose in advance of trial materials which he intends to use on his own behalf at the trial is not a violation of the privilege against self-incrimination. See Jones v. Superior Court, 58 Cal.2d 56, 22 Cal.Rptr. 879, 372 P.2d 919 (1962); People v. Lopez, 60 Cal.2d 223, 32 Cal.Rptr. 424, 384 P.2d 16 (1963); Traynor, Ground Lost and Found in Criminal Discovery. 39 N.Y.U.L.Rev. 228, 246 (1964); Comment, The Self-Incrimination Privilege: Barrier to Criminal Discovery, 51 Calif.L.Rev. 135 (1963); Note, 76 Harv.L.Rev. 828 (1963).

Subdivision (d).—This subdivision is substantially the same as the last sentence of the existing rule.

Subdivision (e).—This subdivision gives the court authority to deny, restrict or defer discovery upon a sufficient showing. Control of the abuses of discovery is necessary if it is to be expanded in the fashion proposed in subdivisions (a) and (b). Among the considerations to be taken into account by the court will be the safety of witnesses and others, a particular danger of perjury or witness intimidation, the protection of information vital to the national security, and the protection of business enterprises from economic reprisals.

For an example of a use of a protective order in state practice, see People v. Lopez, 60 Cal.2d 223, 32 Cal.Rptr. 424, 384 P.2d 16 (1963). See also Brennan, Remarks on Discovery, 33 F.R.D. 56, 65 (1963); Traynor, Ground Lost and Found in Criminal Discovery, 39 N.Y.U.L.Rev. 228, 244, 250.

In some cases it would defeat the purpose of the protective order if the government were required to make its showing in open court. The problem arises in its most extreme form where matters of national security are involved. Hence a procedure is set out where upon motion by the government the court may permit the government to make its showing, in whole or in part, in a written statement to be inspected by the court in camera. If the court grants relief based on such showing, the government's statement is to be sealed and preserved in the records of the court to be made available to the appellate court in the event of an appeal by the defendant, Cf. 18 U.S.C. §3500.

Subdivision (f).—This subdivision is designed to encourage promptness in making discovery motions and to give the court sufficient control to prevent unnecessary delay and court time consequent upon a multiplication of discovery motions. Normally one motion should encompass all relief sought and a subsequent motion permitted only upon a showing of cause. Where pretrial hearings are used pursuant to Rule 17.1, discovery issues may be resolved at such hearings.

Subdivision (g).—The first sentence establishes a continuing obligation on a party subject to a discovery order with respect to material discovered after initial compliance. The duty provided is to notify the other party, his attorney or the court of the existence of the material. A motion can then be made by the other party for additional discovery and, where the existence of the material is disclosed shortly before or during the trial, for any necessary continuance.

The second sentence gives wide discretion to the court in dealing with the failure of either party to comply with a discovery order. Such discretion will permit the court to consider the reasons why disclosure was not made, the extent of the prejudice, if any, to the opposing party, the feasibility of rectifying that prejudice by a continuance, and any other relevant circumstances.

Notes of Advisory Committee on Rules—1974 Amendment

Rule 16 is revised to give greater discovery to both the prosecution and the defense. Subdivision (a) deals with disclosure of evidence by the government. Subdivision (b) deals with disclosure of evidence by the defendant. The majority of the Advisory Committee is of the view that the two—prosecution and defense discovery—are related and that the giving of a broader right of discovery to the defense is dependent upon giving also a broader right of discovery to the prosecution.

The draft provides for a right of prosecution discovery independent of any prior request for discovery by the defendant. The Advisory Committee is of the view that this is the most desirable approach to prosecution discovery. See American Bar Association, Standards Relating to Discovery and Procedure Before Trial, pp. 7, 43–46 (Approved Draft, 1970).

The language of the rule is recast from “the court may order” or “the court shall order” to “the government shall permit” or “the defendant shall permit.” This is to make clear that discovery should be accomplished by the parties themselves, without the necessity of a court order unless there is dispute as to whether the matter is discoverable or a request for a protective order under subdivision (d)(1). The court, however, has the inherent right to enter an order under this rule.

The rule is intended to prescribe the minimum amount of discovery to which the parties are entitled. It is not intended to limit the judge's discretion to order broader discovery in appropriate cases. For example, subdivision (a)(3) is not intended to deny a judge's discretion to order disclosure of grand jury minutes where circumstances make it appropriate to do so.

Subdivision (a)(1)(A) amends the old rule to provide, upon request of the defendant, the government shall permit discovery if the conditions specified in subdivision (a)(1)(A) exist. Some courts have construed the current language as giving the court discretion as to whether to grant discovery of defendant's statements. See United States v. Kaminsky, 275 F.Supp. 365 (S.D.N.Y. 1967), denying discovery because the defendant did not demonstrate that his request for discovery was warranted; United States v. Diliberto, 264 F.Supp. 181 (S.D.N.Y. 1967), holding that there must be a showing of actual need before discovery would be granted; United States v. Louis Carreau, Inc., 42 F.R.D. 408 (S.D.N.Y. 1967), holding that in the absence of a showing of good cause the government cannot be required to disclose defendant's prior statements in advance of trial. In United States v. Louis Carreau, Inc., at p. 412, the court stated that if rule 16 meant that production of the statements was mandatory, the word “shall” would have been used instead of “may.” See also United States v. Wallace, 272 F.Supp. 838 (S.D.N.Y. 1967); United States v. Wood, 270 F.Supp. 963 (S.D.N.Y. 1967); United States v. Leighton, 265 F.Supp. 27 (S.D.N.Y. 1967); United States v. Longarzo, 43 F.R.D. 395 (S.D.N.Y. 1967); Loux v. United States, 389 F.2d 911 (9th Cir. 1968); and the discussion of discovery in Discovery in Criminal Cases, 44 F.R.D. 481 (1968). Other courts have held that even though the current rules make discovery discretionary, the defendant need not show cause when he seeks to discover his own statements. See United States v. Aadal, 280 F.Supp. 859 (S.D.N.Y. 1967); United States v. Federmann, 41 F.R.D. 339 (S.D.N.Y. 1967); and United States v. Projansky, 44 F.R.D. 550 (S.D.N.Y. 1968).

The amendment making disclosure mandatory under the circumstances prescribed in subdivision (a)(1)(A) resolves such ambiguity as may currently exist, in the direction of more liberal discovery. See C. Wright, Federal Practice and Procedure: Criminal §253 (1969, Supp. 1971), Rezneck, The New Federal Rules of Criminal Procedure, 54 Geo.L.J. 1276 (1966); Fla.Stat.Ann. §925.05 (Supp. 1971–1972); N.J.Crim.Prac.Rule 35–11(a) (1967). This is done in the view that broad discovery contributes to the fair and efficient administration of criminal justice by providing the defendant with enough information to make an informed decision as to plea; by minimizing the undesirable effect of surprise at the trial; and by otherwise contributing to an accurate determination of the issue of guilt or innocence. This is the ground upon which the American Bar Association Standards Relating to Discovery and Procedure Before Trial (Approved Draft, 1970) has unanimously recommended broader discovery. The United States Supreme Court has said that the pretrial disclosure of a defendant's statements “may be the ‘better practice.’ ” Cicenia v. La Gay, 357 U.S. 504, 511, 78 S.Ct. 1297, 2 L.Ed.2d 1523 (1958). See also Leland v. Oregon, 343 U.S. 790, 72 S.Ct. 1002, 96 L.Ed. 1302 (1952); State v. Johnson, 28 N.J. 133, 145 A.2d 313 (1958).

The requirement that the statement be disclosed prior to trial, rather than waiting until the trial, also contributes to efficiency of administration. It is during the pretrial stage that the defendant usually decides whether to plead guilty. See United States v. Projansky, supra. The pretrial stage is also the time during which many objections to the admissibility of types of evidence ought to be made. Pretrial disclosure ought, therefore, to contribute both to an informed guilty plea practice and to a pretrial resolution of admissibility questions. See ABA, Standards Relating to Discovery and Procedure Before Trial §1.2 and Commentary pp. 40–43 (Approved Draft, 1970).

The American Bar Association Standards mandate the prosecutor to make the required disclosure even though not requested to do so by the de