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About Publication 15 (Circular E), Employer's Tax Guide

Publication 15 (Circular E) explains your tax responsibilities as an employer.

The Office of Professional Responsibility (OPR) at a glance

The Office of Professional Responsibilities' (OPR) vision, mission, strategic goals and objectives support effective tax administration by ensuring all tax practitioners, tax preparers, and other third parties in the tax system adhere to professional standards and follow the law.
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About Publication 515, Withholding of Tax on Nonresident Aliens and Foreign Entities

Information for Publication 515, Withholding of Tax on Nonresident Aliens and Foreign Entities, including recent updates and related forms. Publication 515 is used by withholding agents who pay income to foreign persons.
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IRC 403(b) tax-sheltered annuity plans - additional resources

Find recent guidance, frequently asked questions, forms and publications, mini-courses and other 403(b) resources.
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Retirement plan forms and publications

Find the forms, instructions, publications, educational products, and other related information useful for retirement plans in one convenient place.
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CE FAQs: Continuing education providers

Frequently asked questions for continuing education providers.
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