The term of all mineral leases included in any cooperative or unit plan of oil and gas development or operation in which the division has joined, or shall hereafter join, shall be extended automatically for the term of the unit or cooperative agreement. Rentals on leases so extended shall be at the rate specified in the lease, subject to the change in rates as may be demanded by the lessor on any lease readjustment date as authorized by the lease.
Utah Admin. Code R652-20-2600