When the authorized official determines that a publication is no longer entitled to Periodicals mailing privileges, he or she shall issue a ruling of suspension or revocation to the publisher at the last known address of the office of publication stating the reasons and attaching a copy of these rules.

[36 FR 11567, June 16, 1971, as amended at 38 FR 17217, June 29, 1973; 62 FR 66998, Dec. 23, 1997]