30 C.F.R. § 1206.108
(a) You may request a valuation determination from ONRR regarding any oil produced. Your request must:
(b) In response to your request, ONRR may:
(3) Inform you in writing that ONRR will not provide a determination or guidance. Situations in which ONRR typically will not provide any determination or guidance include, but are not limited to, the following:
(i) Requests for guidance on hypothetical situations
(ii) Matters that are the subject of pending litigation or administrative appeals
(c)
(d) Guidance that ONRR issues is not binding on ONRR, delegated States, or you with respect to the specific situation addressed in the guidance.
(g) ONRR or the Assistant Secretary generally will not retroactively modify or rescind a valuation determination issued under paragraph (d) of this section, unless: