The IPDA has developed a set of guidelines to assist members and guests. These cover the following 9 topics and are explained in detail
here
. These will be updated and perhaps refined over time. Members are encourage to help improve these. Conformance to these guidelines by IPDA members ensures collectors can buy from IPDA sellers with confidence.
Images
Listing descriptions
Use of Quality codes
Use of Grading statements
List Prices
Shipping
Genuine Stamps
Communication with the Buyer
Feedback