NIPR
Also called National Insurance Producer Registry
National Insurance Producer Registry. A not-for-profit affiliate of the National Association of Insurance Commissioners (NAIC) that runs the Producer Database (PDB) and the electronic channel producers and carriers use to send license applications, renewals and appointments to state insurance departments. The states issue the licenses.
For what NIPR does, what it costs and how it differs from your state insurance department, read What is NIPR?