Tax Tips for October 2021

Tax pros should renew PTINs now for the upcoming filing season

Tax Tip 2021-160, October 28, 2021 — The IRS reminds all active federal tax return preparers they must renew their Preparer Tax Identification Numbers (PTIN) now for 2022. All current PTINs will expire December 31, 2021.

Small business advertising and marketing costs may be tax deductible

Tax Tip 2021-159, October 27, 2021

Taxpayers can find legitimate charities using the Tax Exempt Organization Search tool

Tax Tip 2021-158, October 26, 2021

Tips to help taxpayers decide how and when to file an amended tax return

COVID Tax Tip 2021-157, October 25, 2021

Here’s what taxpayers should know about backup withholding

Tax Tip 2021-156, October 21, 2021

Here’s how people can become an IRS-certified volunteer

Tax Tip 2021-155, October 20, 2021

IRS tax resources for the blind and visually impaired

Tax Tip 2021-154, October 19, 2021

The tax responsibilities that come with shutting down a business

Tax Tip 2021-153, October 18, 2021

Most taxpayers who requested an extension to file their 2020 tax return must file by Oct. 15

COVID Tax Tip 2021 -152, October 14, 2021

Non-traditional families may qualify for advance child tax credit payments

COVID Tax Tip 2021-150, October 12, 2021

Understanding taxpayer rights: The right to finality

Tax Tip 2021-149, October 7, 2021

ABLE accounts: A valuable financial solution for people with disabilities

Tax Tip 2021-148, October 6, 2021

Here’s how a taxpayer’s custody situation may affect their advance child tax credit payments

COVID Tax Tip 2021-147, October 5, 2021

Farmers and ranchers affected by drought have additional time to replace livestock

Tax Tip 2021-146, October 4, 2021

Tax tip archive

IRS tax tips from January 2011 forward.

Page Last Reviewed or Updated: 29-May-2025