Copy of her blue book , and her id . Both with her signature. If the visa is still running , i think nothing else. But they will tell you anyway if something missing. Bring your fiance' with you, better.
,all yoy wrote are illigal ways, i had the required money in bank always and brougth to immigration the statment. I didn't guve any worong information, as i said 3 months before... what is wrong in that? And i not understand why people having mo money kerping on find illegal way to go in and out. Let's stop now, tired of this.
This was the question, now if he meant something different, not to change visa type, i understood wrong. The rest has to ask immigration, on web could get wrong infornation.