Would the agent that captured you be able to affirm in uniform in an expert limit assuming he has surrendered and works for another office?

Would the agent that captured you be able to affirm in uniform in an expert limit assuming he has surrendered and works for another office? Oklahoma.

Model: Officer Dipshit was utilized as an agent with the sheriff's office. He has since surrendered and presently works for city police.
Would he be able to wear his city police uniform while affirming for a situation from when he was an agent?