Okla. Admin. Code § 230:15-1-2
The following words and terms, when used in this Chapter, shall have the following meaning, unless the context clearly indicates otherwise:
"Activation date" means the date that a valid application becomes a voter registration.
"Active voter registration application services" means that personnel of a motor license agency or of a voter registration agency identified in 230:15-5-122 or 230:15-5-123 take an active, participatory role in offering the opportunity to apply for voter registration as required in 230:15-5-100 or in 230:15-5-125.
"Approved application" means a voter registration application that contains all required information [see 230:15-5-84 and 230:15-9-19 ] and that does not apparently duplicate an existing voter registration.
"Federal voter registration application" means the form prescribed by the United States Election Assistance Commission to be used to apply for voter registration or to apply for change of voter registration and to be accepted for these purposes in all states.
"MESA" means the Modern Election Support Application software used by County Election Board personnel for voter registration, absentee voting, and election administration and maintenance.
"Oklahoma Voter Registration Application" means the form prescribed by the Secretary of the State Election Board for use in Oklahoma to apply for voter registration or to apply for change of voter registration by mail, at motor license agencies and at all voter registration agencies identified in 230:15-5-122 and 230:15-5-123.
"Passive voter registration application services" means that personnel of a motor license agency or of a voter registration agency identified in 230:15-5-122 or 230:15-5-123 are required to make the Oklahoma Voter Registration Application form available to persons conducting business with the agency and to the general public but are not directly involved in the voter registration application process, and are not required to accept completed applications for transmittal to the State Election Board. [See 230:15-5-108 and 230:15-5-131.]
"Proof of identity" means a form of personal identification that meets the requirements listed in 26 O.S., Section 7-114, as amended by State Question 746.
"Valid application" means a voter registration application that results in a new voter registration or in a change to an existing voter registration.
"Voter registration agency" means an office of a governmental agency specified in either 230:15-5-122 or in 230:15-5-123, or a location designated by such agencies, at which either active or passive voter registration application services are available.
Okla. Admin. Code § 230:15-1-2