No, you should not file your return until after you have received all the documents required for filing your return. While it is tempting to file because you have that stub, it often does not report all the information you need to file an accurate return.
Amending - while it is a useful tool - should be something you do only rarely.
**Say "Thanks" by clicking the thumb icon in a post
**Mark the post that answers your question by clicking on "Mark as Best Answer"