25 CFR § 162.342
When will a residential lease be effective?
February 24, 2021
(a) A residential lease will be effective on the date that we approve the lease, even if an appeal is filed under part 2 of this chapter.
(b) The lease may specify a date on which the obligations between the parties to a residential lease are triggered. Such date may be before or after the approval date under paragraph (a) of this section.