(a) An oath or statement required by the Texas Constitution or this code prior to an election officer entering service may be administered and a certificate of the fact given by:
(1) the secretary of state, a member of the secretary of state’s staff, or a state inspector appointed by the secretary;
(2) a county or municipal clerk or the clerk’s deputies;
(3) a county tax assessor-collector or the county tax assessor-collector’s deputies;
(4) a city secretary;
(5) a member of a county election commission or county election board;
(6) a county elections administrator or employee of a county elections administrator;
(7) the secretary of the governing body of a political subdivision other than a county or city or the authority performing the duties of a secretary under this code;
(8) a presiding election judge or alternate presiding judge who has already entered service;
(9) an early voting clerk or a deputy early voting clerk who has already entered service;
(10) a member of an early voting ballot board or signature verification committee who has already entered service; or
(11) a presiding judge, manager, or tabulation supervisor of a central counting station who has already entered service.
(b) An oath, statement, or certificate described under Subsection (a) is valid for the duration of the election officer’s term of office and shall be filed with election records for the election in which the election officer is serving.

(c) The secretary of state may prescribe a form of oath, statement, or certificate that incorporates any oaths or statements required by the Texas Constitution or this code for an election officer into a single oath or statement.