report back

report back (third-person singular simple present reports back, present participle reporting back, simple past and past participle reported back)

1. To deliver a spoken or written account or report of something one has been asked or required to do or investigate.
   • 2021 December 29, Paul Stephen, “Rail's accident investigators”, in RAIL, number 947, page 33:

     Safety authorities and public bodies such as the ORR and Network Rail are required to report back to RAIB on how any recommendations addressed to them have been considered and what actions have or are planned to be taken.

2. To return, to come back, usually in order to report information.

• “report back”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.