Guides

Factual references for drug establishment registration. No sales copy — if a claim here is wrong, we want to hear about it.

• FDA drug establishment registration renewal: deadlines and process

  When the annual window opens and closes, who has to renew, what eDRLS/SPL requires, and how you can tell a renewal actually went through.

• What happens when your registration expires

  Deactivation, delisted NDCs, misbranded product, and detained shipments — the chain of consequences, and why it is usually found out late.

• Renewal invoices: what's real and what isn't

  FDA charges nothing to renew. How to tell a legitimate service from a bill written to look like the government, and how to verify your own record for free.

• What is an FEI number, and where do I find mine?

  The identifier FDA keys everything to. Where it appears, how it differs from a DUNS or labeler code, and why yours may be shorter than you expect.