New Mexico’s Taxpayer Access Point (TAP). TAP is a secure resource that allows taxpayers to manage their PIT and other tax accounts online. To register as a new TAP user, click the Sign up now link on the TAP homepage and complete the required fields. You are required to verify one tax account type for TAP access at the time of registration. Access to additional tax accounts can be added after you have completed the TAP registration. There is no cost to use this service.