A credential can lapse without anyone noticing, and the cost shows up when you need it most. The CANS Credential carries a renewal schedule that is easy to skip past while your attention is on the first syringe.
The renewal date after the first syringe
It is natural to plan for the first injection and stop there. The date that matters afterwards is the renewal date, and it belongs on the same calendar as the course. For comparison, the American Nurses Credentialing Center keeps a public site of its own.
Every three years, by re-examination
O*NET OnLine lists the credential as renewable every 3 years, not through continuing educational units, but through re-examination.
That is a different kind of upkeep from logging hours as you go. Treat it as a scheduled event with a date, not a background task.
Reading a second source
Read the issuing body's pages next to a listing like O*NET OnLine's. The American Nurses Credentialing Center certification pages show how one body lays out its programs, which gives you a template for the questions to ask about yours.
Putting the date on the calendar
If you are training in Parsippany, New Jersey, write the renewal year down before you book the course, not after it.
How often, by which route, by what date
Before you pay for a course, find the renewal terms and count forward. Comparing how bodies such as NCCPA publish their terms trains the habit of asking the same questions every time: how often, by which route, and by what date.
Write the interval, the route and the date down once. That page is the check that catches a lapse before it happens.