Section 1243.7 - What must a person do when posting a bond or other surety instrument or demonstrating financial solvency on behalf of an appellant?If you assume an appellant's responsibility to post a bond or other surety instrument or demonstrate financial solvency under § 1243.5 , you:
(a) Must notify ONRR in writing at the address specified in § 1243.200(a) that you are assuming the appellant's responsibility under this part;(b) May not assert that you are not otherwise liable for royalties or other payments under 30 U.S.C. 1712(a) , or any other theory, as a defense if ONRR calls your bond or requires you to pay based on your demonstration of financial solvency; and(c) May end your voluntarily-assumed responsibility for posting a bond or other surety instrument only after the appellant under this part either:(1) Pays or posts a bond or other surety instrument; or(2) Demonstrates financial solvency.