pro for‧ma /ˌprəʊ ˈfɔːmə $ ˌproʊ ˈfɔːr-/ adjective, adverb formal
[Date: 1500-1600; Language: Latin; Origin: 'as a matter of form']
if something is approved, accepted etc pro forma, this is part of the usual way of doing things and does not involve any actual choice or decision:
pro forma approval

[TahlilGaran] Dictionary of Contemporary English ▲