All records required by this Chapter shall be preserved for two (2) years, except for an ETC's records confirming subscriber's eligibility for purposes of the State and/or Federal Lifeline programs as well as the records confirming household eligibility for State and/or Federal Lifeline support. Records confirming subscriber and household eligibility for purposes of initial or annual recertification for State or Federal Lifeline programs shall be kept for three (3) years.
Okla. Admin. Code § 165:55-3-21