州税の払い戻しを依頼して、
必要書類も提出したのですが、
その後どうなっていますか?
いつ返金されますか?
また、どういう手段で返金されますか?
After I had asked you to refund me the state tax, I sent you the papers which were required, but haven't heard from you since then. What is the situation?
When will I get the refund?
In what way it wil be paid back?