LICENSE REGISTER is the primary LICENSE command. Before you enter a LICENSE REGISTER command, you need a PAK that supplies the information required to enter a license in the License Database. You can register additional licenses for products that already exist in the License Database. If you register another combinable license in the License Database, LMF combines the license units during a LICENSE LOAD or LICENSE START command. This allows more product availability or activity for the same product. The checksum number supplied with your PAK is calculated from the other information supplied with the PAK. Thus, you must enter each qualifier necessary to supply information from your particular PAK. If you enter LICENSE REGISTER without a required qualifier, LMF returns a checksum error.