Final answer:
Interline endorsements are commercial endorsements that apply to more than one part of a commercial package policy (CPP). They provide additional coverage or limits for specific situations that are not included in the standard policy forms.
Step-by-step explanation:
The commercial endorsements that apply to more than one part of a commercial package policy (CPP) are called interline endorsements. These endorsements are added to a commercial package policy to modify or extend coverage across multiple policy parts. They are designed to provide additional coverage or limits for specific situations that are not included in the standard policy forms.