You will need this licence if you intend to handle and store a security sensitive substance which is a controlled dangerous substance. Security sensitive substances include:
- a substance that has a UN number
- an ammonium nitrate emulsion or mixture, containing greater than 45 percent ammonium nitrate
- a substance with UN number 3139, if the substance is a form of ammonium nitrate. It does not include any ammonium nitrate solution or any form of ammonium nitrate that is an explosive.