14 CFR · Part 93
14 CFR § 93.224
Return of slots.
(a)
Whenever a slot is required to be returned under this subpart, the holder must notify the office specified in § 93.221(a)(1) in writing of the date after which the slot will not be used.
(b)
Slots may be voluntarily returned for use by other operators by notifying the office specified in § 93.221(a)(1) in writing.
Regulations Referenced
Reflects the eCFR edition current as of October 15, 2026. Retrieved from ecfr.gov on October 29, 2026.
Primary Source