Declaring TAG on UC App?

Is there an option to do that on the UC application? I don’t recall there being any way to link my TAG application to my UC Application.

I believe TAG connects it via your name and email. I’m not sure. But I know there is no TAG mention in the application.

I don’t believe you can use the UC admissions app to declare your application for TAG.
Generally, you work with the CC counselor, use the Transfer Admission planner, and submit it in September.
http://admission.universityofcalifornia.edu/transfer/guarantee/index.html

I believe OP submitted TAG and is asking how he/she links them. I don’t believe applicant has that ability.