47 C.F.R. § 1.10012 When can I file on IBFS?
Title 47 - Telecommunication
IBFS is available 24 hours a day, seven (7) days a week for filing.
Title 47: Telecommunication
PART 1—PRACTICE AND PROCEDURE
Subpart Y—International Bureau Filing System
§ 1.10012 When can I file on IBFS?