To add, change or delete subclasses from your security licence, you need to fill in the P645 Amend, vary or replace an existing Class 1 and/or Class 2 licence form and post it to SLED at:
Security Licensing & Enforcement Directorate
Locked bag 5099
Parramatta NSW 2124
Note: If your licence has been issued under Mutual Recognition legislation, call the SLED Contact Centre on 1300 362 001 for information on how to add or delete subclasses to your licence.