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U.S. Department of Health and Human Services

Radiation-Emitting Products

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Withdrawal of Approval of Alternative Requirements

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900.18(g): Withdrawal of approval of alternative standards. FDA shall amend or withdraw approval of an alternative standard whenever the agency determines that this action is necessary to protect the human health or otherwise is justified by Sec. 900.12. Such action will become effective on the date specified in the written notice of the action sent to the applicant, except that it will become effective immediately upon notification of the applicant when FDA determines that such action is necessary to prevent an imminent health hazard.