Notice
After you get your notice, take the following to your local INS office for stamping:
1. Approval Notice
2. 2 passport size phots(immigration style, do not cut them)
3. passport with your I-94
4. Advance Parol (if any)
5. EAD ( give them only if they ask)
That is all, you get stamped I-551 for one year on your passport.