Within 10 days of the Secretary's approval or disapproval of a final proposed TERA, the Secretary must notify the tribal governing body in writing and take the following actions:
    
    
        
            
                
                
            
            
                | (a) To approve the final proposed TERA | 
                (1) Sign the TERA making it effective on the date of signature, and return the signed TERA to the tribal governing body; and(2) Maintain a copy of the TERA and any subsequent amendments or supplements to the TERA.
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                | (b) To disapprove the final proposed TERA | 
                Send the tribe a notice of disapproval that must include:(1) The basis of the disapproval;
                    (2) The changes or other actions required to address the Secretary's basis for disapproval; and
                    (3) A statement that the decision is a final agency action and is subject to judicial review.
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