If these administrative remedies do not resolve the matter, you may consider filing a claim for a refund , but it has to be done timely.

See if you can create online account with the IRS or pay via EFTPS for the correct period. https://www.irs.gov/newsroom/irs-payment-options

First step is to locate proof of filing of your original tax return. If accountant efiled original return, there should be acceptance confirmation...

Separate tax return for your daughter doesn’t appear necessary for 2024, and this filing situation shouldn’t affect your citizenship interview if...

Gifting rules for nonresident v. US tax resident are different, and it is not clear which one you are being a seller. Aside from that there, yes,...

General rule is to include unless you can substantiate that it meets narrow exception and burden of proof is on taxpayer.

You can consult with US customs or customs attorney to confirm eligibility for duty-free reentry of your paintings.

Contacting IRS to inquire on status and explanation is potentially next step. After that there are options to escalate.

It depends whether your domestic LLC is considered regarded for US tax and whether you are US tax resident.

Good starting point is to catch up on delinquent filings and explore hardship relief options. with the IRS.