District of Columbia Code Division I. Government of District. § 2-354. Right to audit records;  right to inspect.

(a) The District may, at reasonable times and places, audit the books and records of any person who has submitted data to substantiate offered prices pursuant to § 2-354.19 to the extent that the books and records relate to that data.  A person who receives a contract, change order, or contract modification for which the data is required, shall maintain books and records that relate to the cost or pricing data for 3 years from the date of final payment under the contract, unless a shorter period is otherwise authorized in writing.

(b) The Inspector General, District of Columbia Auditor, or District shall be entitled to audit the books and records of a contractor or any subcontractor under any negotiated contract or subcontract to the extent that the books and records relate to the performance of the contract or subcontract.  Books and records shall be maintained by the contractor for a period of 3 years from the date of final payment under the prime contract and by the subcontractor for a period of 3 years from the date of final payment under the subcontract, unless a shorter period is otherwise authorized in writing.

(c) The Inspector General, District of Columbia Auditor, or District may, at reasonable times, inspect the part of the place of business of a contractor or any subcontractor which is related to the performance of any contract awarded or to be awarded by the District.