Who is making the actual credit decision on these loans? If it is your correspondent, then you need to make sure that these loan applications are not recorded on your HMDA LAR.
Are you ther original creditor, or are the loans table-funded by the correpsondent? Will you receive yield spread premiums? There are a several instersting cases regarding the legality of YSPs under Section 8 of the Home Mortgage Disclosure Act. The Court Watch page will provide you with details.
Those are the two biggest issues that could be different than making loans for your own protfolio. Treat these loans like you made them for compliance with Reg Z, RESPA, etc., and you should be okay.
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The opinions expressed here are personal and do not represent opinions of my employer.