How long does a designated agent have to mail in the paperwork when you buy a car? Sean January 31, 2018 16:43 Updated Follow Designated agents should forward the completed application packet to the department within 10 calendar days. Related articles How long does it take to receive an Alabama title? How do I check the status of my title application? Does the Department offer same day title printing? Where do I apply for an Alabama certificate of title? Do you still have an unanswered question? Comments 0 comments Article is closed for comments.