Filing deadlines for 1099 and other informational forms

From Publication 1220, Specifications for Electronic Filing of Forms:

"Forms 1097, 1098, 1099, 3921, 3922, and W-2G are filed on a calendar year basis. Form 5498, IRA Contribution Information, Form 5498-ESA, Coverdell ESA Contribution Information, and Form 5498-SA, HSA, Archer MSA, or Medicare Advantage MSA Information, are used to report amounts contributed during or after the calendar year but no later than April 15. "

Form	IRS e-Filing	Recipient/Participant Copy
1097-BTC	March 31	On or before the 15th day of the 2nd calendar month after the close of the calendar quarter (on or before May 15, August 15, November 15, and February 15 of the following year)
1098	March 31	January 31
1099	March 31	January 31
1099-B	March 31	February 15
1099-MISC	March 31	February 1
1099-MISC with amounts reported in box 8 or 14	March 31	February 15
1099-NEC	February 1	February 1
1099-S	March 31	February 15
3921	March 31	January 31
3922	March 31	January 31
5498	May 31	January 31 (FMV/RMD) or May 31 (contributions)
5498-ESA	May 31	April 30
5498-SA	May 31	May 31
W-2G	March 31	January 31

For further information, see the General Instructions for Certain Information Returns.