41 C.F.R. § 102-85.210 What if a customer agency has to relocate?
Title 41 - Public Contracts and Property Management
If the agency or GSA determines relocation is necessary at the expiration of an OA for either Federally owned or leased space, the customer agency is responsible for all costs associated with relocation at that time.
Title 41: Public Contracts and Property Management
PART 102–85—PRICING POLICY FOR OCCUPANCY IN GSA SPACE
Subpart G—Continued Occupancy, Relocation and Forced Moves
§ 102-85.210 What if a customer agency has to relocate?

