Tex. Election Code § 112.002

(a) After changing residence to another county, a person is eligible to vote a limited ballot by personal appearance during the early voting period or by mail if:

(1) the person would have been eligible to vote in the county of former residence on election day if still residing in that county;

(2) the person is registered to vote in the county of former residence at the time the person:

(A) offers to vote in the county of new residence; or

(B) submitted a voter registration application in the county of new residence; and

(3) a voter registration for the person in the county of new residence is not effective on or before election day.

(b) A person is not eligible to vote a limited ballot by mail unless, in addition to satisfying the eligibility requirements prescribed by Subsection (a), the person is eligible for early voting by mail under Chapter 82.

(c) Before being accepted for voting under this chapter, the voter must execute a statement including:

(1) a statement that the voter satisfies the applicable requirements prescribed by Subsection (a);

(2) the voter's residence address or, if the residence has no address, the address at which the voter receives mail and a concise description of the voter's residence;

(3) the month, day, and year of the voter's birth; and

(4) the date the statement is executed.

(d) A statement executed under Subsection (c) shall be submitted:

(1) to an election officer at the main early voting polling place, if the person is voting by personal appearance; or

(2) with the person's application for a ballot to be voted by mail, if the person is voting by mail.

(e) A statement executed under Subsection (c) may include space for disclosure of any necessary information to enable the person to register to vote under Chapter 13.

(f) The secretary of state shall prescribe the form of a statement executed under Subsection (c).