In submitting this State’s certificate of ascertainment as required by 3 U.S.C. § 5, the Governor shall certify this State’s electors and state in the certificate all of the following:
(1) That the electors will serve as electors unless a vacancy occurs in the office of elector before the end of the meeting at which elector votes are cast, in which case a substitute elector will fill the vacancy.
(2) That if a substitute elector is appointed to fill a vacancy, the Governor will submit an amended certificate of ascertainment stating the names on the final list of this State’s electors.