Section 510.115 - Voluntary participation election(a)General. To continue participation in performance year 3 and participate in performance year 4 and performance year 5, the following hospitals must submit a written participation election letter as described in paragraph (c) of this section during the voluntary participation election period specified in paragraph (b) of this section: (1) Hospitals (other than those excluded under § 510.100(b) ) with a CCN primary address in a voluntary MSA.(2) Low-volume hospitals with a CCN primary address in a mandatory MSA.(3) Rural hospitals with a CCN primary address in a mandatory MSA.(b)Voluntary participation election period. The voluntary participation election period begins on January 1, 2018 and ends on January 31, 2018.(c)Voluntary participation election letter. The voluntary participation election letter serves as the model participation agreement. CMS accepts the voluntary participation election letter if the letter meets all of the following criteria: (1) Includes the following: (iv) Hospital contact name, telephone number, and email address.(v) Model name (that is, CJR model).(2) Includes a certification that the hospital will- (i) Comply with all applicable requirements of this part and all other laws and regulations applicable to its participation in the CJR model; and(ii) Submit data or information to CMS that is accurate, complete and truthful, including, but not limited to, the participation election letter and any quality data or other information that CMS uses in its reconciliation processes.(3) Is signed by the hospital administrator, CFO or CEO.(4) Is submitted in the form and manner specified by CMS. 82 FR 57103 , Dec. 1, 2017