Texas Managed Lands Deer Program Enrollment is Now Open AUSTIN – Enrollment in the Managed Lands Deer Program (MLDP) is now open for the 2021-22 hunting season. Open enrollment for the MLDP Conservation Option runs from April 5 through June 15 this year while the Harvest Option opens May 1 and runs through Sept. 1. New this year, fees are being charged for each enrollment option. Enrollments and fee payments can all be made through Texas Parks and Wildlife Department’s (TPWD) Land Management Assistance online system. Payments can be made by credit card only. Enrollment fees for each MLDP option are as follows: Conservation Option: