[6] In 2018, during the second session of the 56th Oklahoma Legislature, O'Donnell supported multiple bills to loosen the regulation of tag agencies.

[2] In 2019, during the first session of the 57th Oklahoma Legislature, O'Donnell introduced HB 2098 which allowed the spouses of legislators to serve as tag agents.

[2] During floor debate only one member, Democratic Representative Shane Stone, questioned the bill asking "I feel like voting for this could be a little self-serving, wouldn’t you agree?” O'Donnell responded that "I think it restores your right as a citizen."

[3] During the election, Oklahoma City Democratic State Representative Collin Walke criticized O'Donnell tag agency reforms saying "The timing of Rep. O’Donnell’s legislation in connection with the timing of the transfer of his mother-in-law’s tag agency to his wife smacks of self-dealing; and at best, created an appearance of impropriety that should have kept Rep. O’Donnell from running the bill in the first place.

[13] On December 17, 2021, Terry O'Donnell was indicted on charges, including conspiracy against the state, related to his 2019 Tax Agency bill.

Oklahoma County District Attorney David Prater has been prosecuting corruption cases against state lawmakers for 16 years.