24 C.F.R. § 982.312
(b) Housing assistance payments terminate if the family is absent for longer than the maximum period permitted. The term of the HAP contract and assisted lease also terminate.
(The owner must reimburse the PHA for any housing assistance payment for the period after the termination.)
(d)
(e) The PHA Administrative Plan must state the PHA policies on family absence from the dwelling unit. The PHA absence policy includes: