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About Form 637, Application for Registration (For Certain
Jan 29, 2025 Use this form to apply for excise tax registration for activities under sections 4101, 4222, 4662, and 4682.
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Form 637, application for registration : for certain excise tax
Form 637, application for registration : for certain excise tax activities. Form 637, application for registration : for certain excise tax activities.
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Instructions for Form 720 (Rev. April 2017)
Apr 27, 2017 Enter your registration number, including the prefix (for prefixes, see the Instructions for Form 637, Application for Registration), on the
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