§ 26 O.S. § 26-7-115.1complete

Address confirmation form – Persons required to
Before being issued a ballot during in-person absentee voting or
at the voter's precinct or when applying for an absentee ballot, the
following voters shall be required to complete an address
confirmation form prescribed by the Secretary of the State Election
Board:
1. An inactive voter;
2. A voter identified by the Secretary of the State Election
Board as possibly having changed his or her residence based on
National Change of Address data;
3. A voter with an invalid address as defined in subsection B
of Section 4-113 of this title or who has had a voter identification
card returned to the county election board by the United States
Postal Service as undeliverable.