Officials in the Board's Division of Consumer and Community Affairs are authorized to issue official staff interpretations of this Regulation M (12 CFR Part 213). These interpretations provide the formal protection afforded under section 130(f) of the act. Except in unusual circumstances, interpretations will not be issued separately but will be incorporated in an official commentary to Regulation M (Supplement I of this part), which will be amended periodically. No staff interpretations will be issued approving lessor's forms, statements, or calculation tools or methods.