Commencing date of payments
Primary source
Verbatim text below is from the Electronic Code of Federal Regulations (eCFR), a public-domain U.S. government work. Always verify the current version with the eCFR before relying on it for any legal matter.
Full Text
(a) A court order acceptable for processing is effective against employee annuity accruing beginning the first day of the second month after OPM receives the court order.
(b)(1) OPM will not begin payments to the former spouse until OPM receives all the documentation required by § 838.221 (b) and (c).
(2) If payments are delayed under paragraph (b)(1) of this section, after OPM receives all required documentation, it will authorize payment of the annuity that has accrued since the date determined under paragraph (a) of this section but the payment of which was delayed under paragraph (b)(1) of this section.
This is legal information, not legal advice. Laws vary by jurisdiction and change frequently. Always verify current law with official sources and consult a licensed attorney in your jurisdiction for advice on your specific situation.