I dont know about St Louies, but i went through Weil am Rheine last week, into the T1/empty lane, up to the German Customs stamp on T1 the up to the Swiss Customs stamp on the T1 he asked me if i had a card, which i repleid with no, he wrote on the T1 “New registration” and sent me into the Compound, went and got the Tax,drove to the Barrier at the end of the compound Guy looked at the T1 and let me through