https://www.irs.gov/zh-hant/tax-professionals/1042-ty2024-v2-point-0-release-memo
1042 TY2024 v2.0 release memo | Internal Revenue Service
Tax year 2024 eXtensible Mark-up Language (XML) schemas and business rules for Form 1042 that include new tax year form(s) and tax law changes.
releasememointernalrevenueservice
https://www.irs.gov/e-file-providers/ty2024-exempt-organizations-and-other-tax-exempt-entities-mef-assurance-testing-system-ats-test-scenarios
TY2024 exempt organizations and other tax-exempt entities MeF Assurance Testing System (ATS) test...
The tax year 2024 Modernized e-File (MeF) Assurance Testing System (ATS) test scenarios for exempt organizations and other tax-exempt entities returns are...