SUBCHAPTER C. WITHDRAWAL, DEATH, AND INELIGIBILITY OF PRESIDENTIAL AND VICE-PRESIDENTIAL CANDIDATESSec. 192.061. WITHDRAWAL, DEATH, OR INELIGIBILITY GENERALLY. With respect to withdrawal, death, or ineligibility of a presidential or vice-presidential candidate in a general election, this subchapter supersedes Subchapter A, Chapter 145, to the extent of any conflict.
Sec. 192.062. PRESIDENTIAL OR VICE-PRESIDENTIAL PARTY NOMINEE. (a) The secretary of state shall certify in writing for placement on the ballot the name of a political party's replacement nominee for president or vice-president of the United States if:
(1) the original nominee withdraws, dies, or is declared ineligible on or before the 74th day before presidential election day; and(b) If the state chair's certification of a replacement nominee is delivered by mail, it is considered to be delivered at the time of its receipt by the secretary of state.
(2) the party's state chair delivers certification of the replacement nominee's name, signed by the state chair, to the secretary of state not later than 5 p.m. of the 71st day before presidential election day.
(c) The name of a nominee who has withdrawn, died, or been declared ineligible shall be omitted from the ballot and the name of the replacement nominee placed on the ballot if a replacement nominee is certified for placement on the ballot as provided by this section. Otherwise, the withdrawn, deceased, or ineligible nominee's name shall be placed on the ballot.
(d) A vote for a withdrawn, deceased, or ineligible nominee whose name appears on the ballot shall be counted as a vote for the nominating political party's presidential elector candidates.
I'm sure the other states have similar language in their state election law.
-PJ
Thanks.