14 C.F.R. § 399.4 Nature and effect of policy statements.
Title 14 - Aeronautics and Space
Policy statements published in this part will be observed by the Board until rescinded, but any policy may be amended from time to time as experience or changing conditions may require. Changes in policy may be made with or without advance notice to the public and will become effective upon publication in the
Title 14: Aeronautics and Space
PART 399—STATEMENTS OF GENERAL POLICY
Subpart A—Applicability and Effects of Policy Statements
§ 399.4 Nature and effect of policy statements.

