47 CFR 90.157 : Telecommunication (§ 0.1 To Parts 401-499) — (§ 80.1 To Parts 401-499) — Federal Communications Commission (Continued) (§ 80.1 To Parts 102-199) — Safety And Special Radio Services (§ 80.1 To Parts 102-199) — Private Land Mobile Radio Services (§ 90.1 To § 90.1338) — Applications And Authorizations (§ 90.111 To § 90.169) — Discontinuance of station operation.

(a) An authorization shall cancel automatically upon permanent discontinuance of operations. Unless stated otherwise in this part or in a station authorization, for the purposes of this section, any station which has not operated for one year or more is considered to have been permanently discontinued.

(b) For DSRCS Roadside Units (RSUs) in the 5850-5925 MHz band, it is the DSRCS licensee's responsibility to delete from the registration database any RSUs that have been discontinued.