A master ID is a code that may represent various different things from regions to contracts. Usually this code is provided by the supplier. Commission items can have a master ID imported in the commission data, or a Rep ID can be assigned to a master ID. 

Commissions: Master IDs can be assigned to accounts groups, making it easy to apply a special rule only when the Master ID is imported. 

Adding a master ID

There are two ways to add a master ID:

1. Automatic: When RPM imports a new master ID it adds it to the system (upload matrix setup).

2. Manual: On the details page of a supplier click Add a master ID