This data is required for payment and tax purposes, and for operational or administrative contacts. Further data may be exchanged between the subscriber and dnswl.org (eg contractual documents). This data is stored for 10 years as per legal regulations concerning storing business records.</p> <p>For organisations or individuals who subscribe to dnswl.org data through a <strong>reseller</strong>, the dnswl.org project usually only has limited contact information for operational purposes. The reseller may have additional data to handle payments.