This self-inking rubber stamp is specifically designated for non-profit organizations that have an account with USPS to send out bulk mailings. Order your postage paid stamper for high frequency use that is clearly legible and accurate every time. Just get your permit information? Ready to start marketing your organization or informing locals? Order today for precise impressions of your permit imprint indicia! Note: Please note that in order to use this postage paid rubber stamp as intended that all dues or fees must be paid to USPS per their standards and requirements. Please contact USPS with any questions regarding your particular permit imprint account information.