41 CFR § 102-34.170
For how long is a limited exemption valid?
June 9, 2020
An exemption granted in accordance with §102-34.160 may last from one day up to 3 years. If the requirement for exemption still exists beyond 3 years, your agency must re-certify the continued exemption. For a motor vehicle leased from the GSA Fleet, send a copy of the re-certification to the: General Services Administration, ATTN: GSA Fleet (QMDB), 2200 Crystal Drive, Arlington, VA 22202.