Okla. Stat. tit. 74E § 5.3
Each legislative liaison or legislative lobbyist shall be required to register with the Ethics Commission each year that the legislative liaison or legislative lobbyist engages in lobbying. Each legislative liaison or legislative lobbyist shall register or renew his or her registration with the Commission and pay any applicable fees no earlier than December 1 of each year nor later than January 15 of the following year for the calendar year beginning January 1 or within five (5) days after engaging in lobbying on behalf of one or more lobbyist principals. Registration by legislative liaisons or legislative lobbyists shall be filed electronically, unless otherwise ordered by the Commission or the Executive Director of the Commission. Information on the registration shall include the legislative liaison or legislative lobbyist's name, business address, including electronic mail address and business telephone numbers, the name and address of each lobbyist principal by whom the liaison or lobbyist is employed or retained and the date of the registration.
Okla. Stat. tit. 74E, § 5.3