Laws, Regulations & Annotations
Business Taxes Law Guide – Revision 2015
Sales and Use Tax Annotations
340.0000 MAILING LISTS AND SERVICES—Regulation 1504
Assuming the commercial mailer is only providing nontaxable mailing services to the customer the upgrading of the zip code to zip+4 is part of the service, and the charge is nontaxable. 11/2/92.