What happens when you do not have a policy domain where we can send to customers? Whether or if we set local policies or best solution, do it the Windows Registry (Registry). How to use the computer's local policy is set by GPO identical except that instead of edit the policy domain you open the Local Policy Editor and modify the global policy.
The other option is to create a .Reg file with all parameters and distribute it in the PC either manually or with an application for deployment to be implemented. It then commented entries in the Windows registry settings involved in WSUS.