30 CFR §1243.4

1. (a)If you timely appeal an order, and if that order or portion of that order:
   1. (1)Requires you to make a payment, and you want to suspend compliance with that order, you must post a bond or other surety instrument or demonstrate financial solvency under this part, except as provided in paragraph (b) of this section; or
   2. (2)Does not require you to make a payment, compliance with that order is suspended when you meet all requirements to file that appeal.
2. (b)You need not meet the requirements of paragraph (a) of this section if:
   1. (1)The order is an assessment; or
   2. (2)Another person agrees to fulfill these requirements on your behalf under § 1243.5.