If you're a pharmacist just starting out, you'll need to register and get your license to work with controlled substances. DEA registrant consulting services are available if you need help with this process. Here are several things they can do.
Ensure You Fill Out the Right Forms
The registration forms for pharmacists trying to get their licenses will vary from state to state. You thus want to make sure you access the right forms in the beginning so that you don't waste any of your precious time.