Earlier quoted context omitted.
If you are an American citizen, just call your US representative. They will have you on the phone with an actual person at the IRS in a day or two. Literally, I've learned this lesson the hard way. The moment I have to wait more than an hour or so to figure out a government service or agency, I immediately lodge a formal complaint with my representative. They have a large staff dedicated to constituent services, and…
This assumes that the Representative is competent, and believes that they act for the good of all people in their district, not just the ones who believe in their version of God. This not true across the country, and particularly, not in the district that I live in. I would never call my Representative. My Senators, not too bad, but there are only 2 of them for the entire state.
I suppose some might be so incredibly bad at their job that they don’t have staff for constituent services, but most do. They don’t tend to ask who you voted for before helping. I’m in a very red state, vote for democrats, and have had state and federal republican rep offices help me out several times.