42 CFR §1008.15

1. (a)The OIG will consider requests from a requesting party for advisory opinions regarding the application of specific facts to the subject matters set forth in § 1008.5(a) of this part. The facts must relate to an existing arrangement, or one which the requestor in good faith plans to undertake. The plans may be contingent upon receiving a favorable advisory opinion. The advisory opinion request should contain a complete description of the arrangement that the requestor is undertaking, or plans to undertake.
2. (b)Requests presenting a general question of interpretation, posing a hypothetical situation, or regarding the activities of third parties do not qualify as advisory opinion requests.
3. (c)An advisory opinion request will not be accepted, and/or an opinion will not be issued when—
   1. (1)The request is not related to a named individual or entity; or
   2. (2)An informed opinion cannot be made, or could be made only after extensive investigation, clinical study, testing, or collateral inquiry.