TaxWatch: ‘Not all the money belongs to you’: Self-employed? Avoid these mistakes when filing your 2021 taxes No Comments Uncategorized The deadline for self-employed workers to submit estimated tax payments for the fourth quarter of 2021 is Jan. 18. The deadline for self-employed workers to submit estimated tax payments for the fourth quarter of 2021 is Jan. 18. Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to print (Opens in new window)Click to share on LinkedIn (Opens in new window)Click to share on Tumblr (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Pinterest (Opens in new window)Click to share on WhatsApp (Opens in new window)