Ken Ham
Author

Ken Ham

Founder of BoomTax, writing about ACA, 1099, and W-2 reporting from the trenches of building filing software for HR and payroll teams.

494 articles
IRS IRIS Questions Answered for 2026
Form 1099

IRS IRIS Questions Answered for 2026

Get IRS-backed answers to common IRIS questions about TCC applications, A2A testing, schemas, corrections, acknowledgments and portal filing.

By Ken Ham
2026 1099-K Backup Withholding Rules for TPSOs
Form 1099

2026 1099-K Backup Withholding Rules for TPSOs

If your platform files Form 1099-K, the IRS just gave third party settlement organizations a clearer backup withholding rule: for third party network...

By Ken Ham