(1) The department will interpret its rules by giving meaning to the plain language of the rules. If a provider requests an interpretation of a rule to provide clarification of a perceived ambiguity, clarification must be received in writing from the department before the service is billed to Medicaid, or the provider may not rely on it.

(2) Documentation of the clarification must contain:

(a) the date of the response;

(b) the identity of the person providing the clarification; and

(c) the specifics of the text of the provider's inquiry.