457.170—Withdrawal process.
        
        (a) Withdrawal of proposed State plans or plan amendments.
         A State may withdraw a proposed State plan or plan amendment, or any portion of a proposed State plan or plan amendment, at any time during the review process by providing written notice to CMS of the withdrawal.
    
    
        
        (b) Withdrawal of approved State plans.
         A State may request withdrawal of an approved State plan by submitting a State plan amendment to CMS in accordance with  § 457.60.