D.C. Mun. Regs. tit. 29, § 209
209.1 If fifty percent (50 %) or more of the government employees are moved from the premises in which a vending facility is located to new premises in which a vending facility is to be established, the vendor of the facility in the old premises shall have the privilege of transferring to the new location only if the relocated employees constitute fifty percent (50 %) or more of the government personnel in the new premises.
209.2 If the provisions of § 209.1 do not apply, the vending facility vacancy in a new premises shall be filled in accordance with the usual promotion and transfer system.
SOURCE: 6C DCRR § 2.9(f); as amended by Final Rulemaking published at 27 DCR 4611 (October 17, 1980).