Section 2885.15 - How will BLM charge me rent?(a) BLM will charge rent beginning on the first day of the month following the effective date of the grant or TUP through the last day of the month when the grant or TUP terminates. Example: If a grant or TUP becomes effective on January 10 and terminates on September 16, the rental period would be February 1 through September 30, or 8 months.(b) There are no reductions or waivers of rent for grants or TUPs, except as provided under § 2885.20(b) .(c) BLM will set or adjust the annual billing periods to coincide with the calendar year by prorating the rent based on 12 months.(d) If you disagree with the rent that BLM charges, you may appeal the decision under § 2881.10 of this part. 70 FR 21078 , Apr. 22, 2005, as amended at 81 FR 92228 , Dec. 19, 2016