Well - it wouldn't be a "Home" Equity Line of Credit - it would probably be just a Line of Credit. If the purpose is not a consumer purpose, then you do not need to worry about Regulation Z disclosures.
If the purpose is a consumer purpose, but is unsecured, if the line of credit is more than $25,000, then Regulation Z would not apply.
If the purpose is a consumer purpose, and the line of credit is $25,000 or less OR any amount and secured by real property, then you would have to review the Reg Z disclosure requirements for a revolving line of credit contained in Subpart B of the regulation.
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CRCM,CAMS
Regulations are a poor substitute for ethics.
Just sayin'