IRS help is available all the time in various format. The IRS website is an ocean of information pertaining to the tax filing for Form 2290. However, the IRS.gov Website Help Desk can't access tax returns, offer refund or transcript information, answer tax law questions, or help with password or logon issues.
If you’re having trouble finding information on IRS website, try using the online tools or one of the self-help links on the page. If you still need help, the IRS.gov Website Help Desk representatives can help you find content, forms and publications, and help with problems on the website. When contacting the IRS.gov Website Help Desk, please don't share your name, Social Security number, Taxpayer Identification Number or address.
https://www.irs.gov/Help-&-Resources is a link where you can find other help and resource materials.