How long does a designated agent have to mail in the paperwork when you buy a car? Sean Williams April 26, 2017 15:50 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? Where do I apply for an Alabama certificate of title? How do I apply for a replacement title? Does the Department offer same day title printing? How do I check the status of my title application? Comments 0 comments Article is closed for comments.