PERMANENT ACCOUNT NUMBER (PAN) PAN is assigned to all the taxpayers in India as an identification number. PAN number is a single number which is an electronic system and has all the tax related information for a company or for a person. This act as a primary key for storing information and it can be shared all over the country. There cannot be any entities who have same PAN. ELIGIBILITY PAN card can be issued to an individual, NRI (Non-Resident Indians), companies or anyone who is payin..