Yes, there is help available at Pay.gov. You can access assistance by clicking on the "Online Help" section located on the top line menu of the Pay.gov platform. This section provides information and assistance on the use of the Pay.gov platform. Additionally, Pay.gov offers customer service contact information to help with any questions, concerns, or technical issues you may encounter. However, it is important to note that the Pay.gov Online Help does not provide information on requesting estate tax closing letters (ETCLs).
Sources:
Publication 80 (2023)
Publication 1380
Publication 5136-A (8/2020)
Publication 542 (1/2024)