Okay then 'Certificate'
From Wikipedia:
'To purchase a handgun, a buyer must have a Handgun Safety Certificate.
[43] This is obtained by passing a written test, given by a Department of Justice certified instructor, on the safe and legal use of handguns. The certificate is valid for five years. A buyer must also perform a Safe Handling Demonstration when taking possession of a handgun. Some individuals are exempt from the Safety Certificate and Handling Demonstration requirements, including active and retired military and law enforcement personnel, hunter safety certificate holders, and concealed carry license holders'
Also: 'The buyer of a firearm must fill out an application to purchase a particular gun. The firearms dealer electronically submits the application to the California Department of Justice (DOJ), which performs a background check on the buyer.'