Okla. Stat. tit. 26, § 26-4-103.1: Procedure to register or update registration

A. A qualified elector may apply to register to vote or update

a registration to vote by:

1. Delivering by mail or otherwise a completed voter

registration application to the State Election Board or any county

election board;

2. Completing a voter registration application in person with

any official of an agency described in Section 4-109.2 of this

title;

3. Completing a voter registration application in person as

part of an application for issuance, renewal or change of address

for a driver license or issuance of a state identification card

issued pursuant to Section 6-105 of Title 47 of the Oklahoma

Statutes with a designated representative of Service Oklahoma; or

4. Completing a voter registration application electronically

as provided in Section 4-109.4 of this title.

B. The secretary of the county election board for the county of

the applicant's residence shall send to each applicant by

nonforwardable, first-class United States mail a notice of the

disposition of the application. Notice mailing costs shall be paid

by the county. Provided, the Secretary of the State Election Board

may authorize such notices to be sent by electronic means for voter

registration applications submitted electronically.