All states in the US require the pharmacist to be national certified by the PTCB..
1. National certification by the PTCB is mandatory for pharmacists in every state in the US.
2. Every state in the US requires pharmacists to have national certification by the PTCB.
3. Pharmacists in all states in the US must be nationally certified by the PTCB.
4. National certification by the PTCB is a requirement for pharmacists in all US states.