If I transfer my controlled hunt tag to my son can I still hunt in the regular season?

Short answer is you will have to pay for the new tag. Per the Idaho Fish and Game Commission rules. Fees for resident and nonresident adult control hunt tags that are subsequently designated to their minor child or grandchild are not refundable. When you purchase the controlled hunt tag and then designate the tag to the youth, the fees you paid for the controlled hunt tag are passed to the youth and they do not pay additional fees for the transferred tag. The adult must then pay for their general season tag.