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 do I apply for a replacement title? How do I check the status of my title application? How long does it take to receive an Alabama title? Where do I apply for an Alabama certificate of title? Does the Department offer same day title printing? Comments 0 comments Article is closed for comments.