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Title 31: Money and Finance

Federal & State Law Editorial TeamLast reviewed: April 2026

Treasury Department, currency and coinage, public debt, financial management, anti-money laundering, and government accounting.

39 chapters · 489 sections · 3 key sections available

Key Sections (3)

§ 5103

Legal Tender

U.S. coins and paper currency are legal tender for all debts and taxes. However, private businesses are not required to accept cash and may choose to accept only cards or other payment methods.

businessEffective: Sep 13, 1982
active
§ 5311BSA

Bank Secrecy Act — Declaration of Purpose

The Bank Secrecy Act requires banks to report cash transactions over $10,000 and suspicious activities to help law enforcement detect money laundering, tax evasion, and terrorism financing.

criminalbusinesstaxEffective: Oct 26, 1970
active
§ 3101

Public Debt Limit

Congress sets a ceiling on how much the federal government can borrow. When the debt limit is reached, the Treasury must use emergency measures until Congress raises or suspends it.

taxEffective: Sep 13, 1982
active

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.