North American Product Classification System (NAPCS) Canada [Provisional Version 0.1]

• 512 - Internet, software and other computer related services
• 541069 - Other computer systems design and support services
• 541069.3 - Information technology (IT) technical support services

541069.3.1 - Software-related technical support services

The provision of customer support in using or troubleshooting the software and includes upgrade services and the provision of patches and updates.