But it's not currency as the OP stated he has not yet got his rating.
Surely the case here is to speak and consult with the Chief FI and if deemed viable to then discuss with ATC prior to undertaking said practice. Otherwise....
....Requesting an ILS whilst then advising 'unable to comply' with vectoring that takes away in sight of surface, will surely leave the Controller unsure as to the vailidity of the request for an ILS approach. Potentially then resulting in a post landing set of wtf questions from all concerned.