When does the DMP application period open? Salim April 24, 2022 02:49 Answer: The DMP application period will be opened beginning of August. Typically August 1st or 2nd. Related articles Deer Management Permits (DMPs) How To Apply For Your DMP How to purchase a license or product How to Apply For Your DMP I have a Lifetime license, why aren't my DMP's free? Comments 0 comments Please sign in to leave a comment.