Websites to Register
Affordable Care Act Information Returns
https://www.irs.gov/e-file-providers/affordable-care-act-information-returns-air
EFAST2 https://www.efast.dol.gov/welcome.html
FINCEN https://bsaefiling.fincen.treas.gov/main.html
Fire https://fire.irs.gov/
IRIS https://www.irs.gov/tax-professionals/iris-application-for-tcc
Business Service Online https://www.ssa.gov/bso/bsowelcome.htm
Additional Information
IRS Guide to Information Returns
E-File Information Returns
Form Number Where to File
1042-S Fire
1094-B Affordable Care Act Information Returns
1094-C Affordable Care Act Information Returns
1095-B Affordable Care Act Information Returns
1095-C Affordable Care Act Information Returns
1096 Fire/IRS
1097-BTC Fire
1098 Fire
1098-C Fire
1098-E Fire
1098-F Fire
1098-MA Fire
1098-Q Fire
1098-T Fire
1099-A Fire or IRIS
1099-B Fire or IRIS
1099-C Fire or IRIS
1099-CAP Fire or IRIS
1099-DIV Fire or IRIS
1099-G Fire or IRIS
1099-H Fire or IRIS
1099-INT Fire or IRIS
1099-K Fire or IRIS
1099-LS Fire or IRIS
1099-LTC Fire or IRIS
1099-MISC Fire or IRIS
1099-NEC Fire or IRIS
1099-OID Fire or IRIS
1099-PATR Fire or IRIS
1099-Q Fire or IRIS
1099-QA Fire or IRIS
1099-R Fire or IRIS
1099-S Fire or IRIS
1099-SA Fire or IRIS
1099-SB Fire or IRIS
3921 Fire
3922 Fire
5498 Fire
5498-ESA Fire
5498-SA Fire
5500 EFAST2
5500-SF EFAST2
8300 FINCEN
8919 Filed with Tax Return
FBAR Filed with Tax Return
K-1 Filed with Tax Return
W2 BSO
W2C BSO
W2G Fire
W3 BSO
W3c BSO