Contact your local Registrar (shown below) for a form to fill out and mail in with your check payment. Details or instructions on registering with the Oklahoma LMSC are available here.
The Oklahoma LMSC Registrar is:
1708 W 120th Ct S
Jenks, OK 74037-2985
EMail Loida Delgado
More information, or more up-to-date information may be available at the Oklahoma LMSC web site.