BLM may approve the following optional terms for a unit agreement if they promote additional development or enhanced production potential—

(a) Limiting the unit agreement to certain formations and their intervals;

(b) Multiple unit operators (see §3137.51 of this subpart);

(c) Allowing modification of the unit agreement terms if less than 100 percent of the parties to the unit agreement (see §3137.52 of this subpart) agree to the modification; or

(d) Other terms that BLM determines will promote the greatest economic recovery of oil and gas consistent with applicable law.