Undeliverable HI cards and enrollment packages and those returned to CMS marked “deceased” must be developed for additional considerations. These include:
         
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                  • 
                     delayed receipt of benefit checks, 
 
 
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                  • 
                     potential survivor"s benefits, 
 
 
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                  • 
                     termination of monthly benefits, and, 
 
 
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                  • 
                     termination of Part A and/or Part B. 
 
 
Development timing is critical for Part B enrollment, refusal, and premium payment.