Code of Federal Regulations Title 39. Postal Service § 39.501.7 Postage Evidencing System requirements

(1) The cautionary message must be placed on all meters in a conspicuous and highly visible location. PROPERTY OF [NAME OF PROVIDER] as well as the provider's toll-free number must be emphasized by capitalized bold type and preferably printed in red. The minimum width of the message should be 3.25 inches, and the minimum height should be 1.75 inches. The message should read as follows:

RENTED POSTAGE METER–NOT FOR SALE

PROPERTY OF [NAME OF PROVIDER]

(800)###-####

Use of this meter is permissible only under U.S. Postal Service authorization. Call [Name of Provider] at (800)###-#### to relocate/return this meter.

WARNING!  METER TAMPERING IS A FEDERAL OFFENSE.

IF YOU SUSPECT METER TAMPERING, CALL POSTAL INSPECTORS AT (800) 372–8347

REWARD UP TO $50,000 for information leading to the conviction of any person who misuses postage meters resulting in the Postal Service not receiving correct postage payments.

(2) Exceptions to the formatting of the required message are determined on a case-by-case basis. Any deviation from standardized meter message requirements must be approved in writing by the Postal Service.

(1) Consistent with the Postal Service's intent to maintain neutrality on religious, social, political, legal, moral, or other public issues;

(2) Is not obscene, deceptive, or defamatory of any person, entity, or group, and does not advocate unlawful action;

(3) Does not emulate any form of valid postage, government, or other official indicia, or payment of postage;  and

(4) Does not harm the public image, reputation, or good will of the Postal Service and is not otherwise derogatory or detrimental to the interests of the Postal Service.

(1) The customer bears full responsibility and liability for obtaining authorization to reproduce and otherwise use the matter as proposed (including, without limitation, any trademarks, slogans, likenesses or copyrighted material contained in the image);

(2) The customer in fact has the legal authority to reproduce and otherwise use the matter as proposed;  and

(3) The customer understands that images or other matter is not provided, approved, or endorsed in any way by the Postal Service.