Section 3141.53 - Royalties and rentals(a) The royalty rate on all combined hydrocarbon leases or tar sand leases is 16.67 percent of the value of production removed or sold from a lease. The ONRR will be responsible for collecting and administering royalties.(b) The lessee may request the Secretary to reduce the royalty rate applicable to a tar sand lease prior to commencement of commercial operations in order to promote development and maximum production of the tar sand resource in accordance with procedures established by the BLM for oil shale leases and may request a reduction in the royalty after commencement of commercial operations in accordance with 43 CFR 3103.41.(c) The annual rental rate for a combined hydrocarbon lease will be as stated in the lease.(d) The annual rental rate for a tar sand lease will be as stated in the lease.(e) Except as explained in paragraphs (a) through (c) of this section, all other provisions of 43 CFR 3103.20 and 3103.30 apply to combined hydrocarbon leasing.