A C-Tick mark may also appear on our MSI products that are required to comply with Australian electromagnetic compatibility requirements and radio-communications standards. It signifies that the product may be legally sold in Australia. Now it requires EMC compliance must be marked with the C-tick logo and ACA supplier code number. Our ACA supplier code is N1996. The supplier is responsible for holding a Compliance Folder that contains compliant test reports and a Declaration of Conformity.