各位大侠，求教，关于打工要办的证明

Strawberry

1. pick up your Green Card at Arbeitsamt (U6 Goethe Platz Kapuzinerstr.) (I'm not sure of my spelling)
Take your passport, a 2-inch photo with you;

2. "Steuerkarte". If you just moved to Munich, you need ask for it from your first city where you stay in Germany.