CRA indicates that registrants generally have a right for communications with the ARQ on GST issues to be in English

CRA indicated that, based on the terms of an intergovernmental agreement, a registrant that is headquartered in Quebec and is dealing with the ARQ on a GST issue, generally has the same rights for the communications to be in English as if it were dealing with CRA.

Neal Armstrong. Summary of 27 February 2020 CBA Roundtable, Q.13 under ETA s. 296(1).