[Code of Federal Regulations]
[Title 31, Volume 1]
[Revised as of July 1, 2007]
From the U.S. Government Printing Office via GPO Access
[CITE: 31CFR103.18]

[Page 384-386]
 
                  TITLE 31--MONEY AND FINANCE: TREASURY
 
                       DEPARTMENT OF THE TREASURY
 
PART 103_FINANCIAL RECORDKEEPING AND REPORTING OF CURRENCY AND 
FOREIGN TRANSACTIONS--Table of Contents
 
                  Subpart B_Reports Required To Be Made
 
Sec.  103.18  Reports by banks of suspicious transactions.

    (a) General. (1) Every bank shall file with the Treasury Department, 
to the extent and in the manner required by this section, a report of 
any suspicious transaction relevant to a possible violation of law or 
regulation. A bank may also file with the Treasury Department by using 
the Suspicious Activity Report specified in paragraph (b)(1) of this 
section or otherwise, a report of any suspicious transaction that it 
believes is relevant to the possible violation of any law or regulation 
but whose reporting is not required by this section.
    (2) A transaction requires reporting under the terms of this section 
if it is conducted or attempted by, at, or through the bank, it involves 
or aggregates at least $5,000 in funds or other assets, and the bank 
knows, suspects, or has reason to suspect that:
    (i) The transaction involves funds derived from illegal activities 
or is intended or conducted in order to hide or

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disguise funds or assets derived from illegal activities (including, 
without limitation, the ownership, nature, source, location, or control 
of such funds or assets) as part of a plan to violate or evade any 
federal law or regulation or to avoid any transaction reporting 
requirement under federal law or regulation;
    (ii) The transaction is designed to evade any requirements of this 
part or of any other regulations promulgated under the Bank Secrecy Act, 
Pub. L. 91-508, as amended, codified at 12 U.S.C. 1829b, 12 U.S.C. 1951-
1959, and 31 U.S.C. 5311-5330; or
    (iii) The transaction has no business or apparent lawful purpose or 
is not the sort in which the particular customer would normally be 
expected to engage, and the bank knows of no reasonable explanation for 
the transaction after examining the available facts, including the 
background and possible purpose of the transaction.
    (b) Filing procedures--(1) What to file. A suspicious transaction 
shall be reported by completing a Suspicious Activity Report (``SAR''), 
and collecting and maintaining supporting documentation as required by 
paragraph (d) of this section.
    (2) Where to file. The SAR shall be filed with FinCEN in a central 
location, to be determined by FinCEN, as indicated in the instructions 
to the SAR.
    (3) When to file. A bank is required to file a SAR no later than 30 
calendar days after the date of initial detection by the bank of facts 
that may constitute a basis for filing a SAR. If no suspect was 
identified on the date of the detection of the incident requiring the 
filing, a bank may delay filing a SAR for an additional 30 calendar days 
to identify a suspect. In no case shall reporting be delayed more than 
60 calendar days after the date of initial detection of a reportable 
transaction. In situations involving violations that require immediate 
attention, such as, for example, ongoing money laundering schemes, the 
bank shall immediately notify, by telephone, an appropriate law 
enforcement authority in addition to filing timely a SAR.
    (c) Exceptions. A bank is not required to file a SAR for a robbery 
or burglary committed or attempted that is reported to appropriate law 
enforcement authorities, or for lost, missing, counterfeit, or stolen 
securities with respect to which the bank files a report pursuant to the 
reporting requirements of 17 CFR 240.17f-1.
    (d) Retention of records. A bank shall maintain a copy of any SAR 
filed and the original or business record equivalent of any supporting 
documentation for a period of five years from the date of filing the 
SAR. Supporting documentation shall be identified, and maintained by the 
bank as such, and shall be deemed to have been filed with the SAR. A 
bank shall make all supporting documentation available to FinCEN and any 
appropriate law enforcement agencies or bank supervisory agencies upon 
request.
    (e) Confidentiality of reports; limitation of liability. No bank or 
other financial institution, and no director, officer, employee, or 
agent of any bank or other financial institution, who reports a 
suspicious transaction under this part, may notify any person involved 
in the transaction that the transaction has been reported. Thus, any 
person subpoenaed or otherwise requested to disclose a SAR or the 
information contained in a SAR, except where such disclosure is 
requested by FinCEN or an appropriate law enforcement or bank 
supervisory agency, shall decline to produce the SAR or to provide any 
information that would disclose that a SAR has been prepared or filed, 
citing this paragraph (e) and 31 U.S.C. 5318(g)(2), and shall notify 
FinCEN of any such request and its response thereto. A bank, and any 
director, officer, employee, or agent of such bank, that makes a report 
pursuant to this section (whether such report is required by this 
section or is made voluntarily) shall be protected from liability for 
any disclosure contained in, or for failure to disclose the fact of such 
report, or both, to the full extent provided by 31 U.S.C. 5318(g)(3).
    (f) Compliance. Compliance with this section shall be audited by the 
Department of the Treasury, through FinCEN or its delegees under the 
terms of the Bank Secrecy Act. Failure to satisfy the requirements of 
this section may be a violation of the reporting rules of

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the Bank Secrecy Act and of this part. Such failure may also violate 
provisions of Title 12 of the Code of Federal Regulations.

[61 FR 4331, Feb. 5, 1996, as amended at 61 FR 14249, Apr. 1, 1996; 61 
FR 18250, Apr. 25, 1996. Redesignated at 65 FR 13692, Mar. 14, 2000]