Substantial business relationship
Substantial business relationship means the extent of a business relationship necessary under applicable state law to make a guarantee contract issued incident to that relationship valid and enforceable. A guarantee contract is issued incident to that relationship if it arises from and depends on existing economic transactions between the guarantor and the owner or operator.
Source
40 CFR § 280.92
Scoping language
When used in this subpart, the following terms shall have the meanings given below: