Staff that are to be linked to a Supplier/Vendor need to be linked to the correct employment type in Timeclamp. Simply create an employment type to be (Non Employee) and assign the Staff to the employment type. Once you assign the staff to the employment type you will be prompted to select the vendor. See Vendors for more information.
Go to Settings in the sidebar
Select Employment Type
Users can add new configuration types for workers created within the workspace
Any created configuration must NOT be ticked to be assignable to a Vendor
Now navigate to Manager Users
Select a user and select the Rates tab
Change the Employment Type of the worker to any of the configuration that have NOT been ticked as indicated above.
A dropdown is displayed indicating what vendors are available to be assigned to.