If the loan is:
Subject to Regulation Z
and
The difference between the APR and the average prime offer rate is equal to or greater than 1.5 percentage points for a first-lien loan or equal to or greater than 3.5 percentage points for a subordinate-lien loan.
You would enter the rate spread info into the HMDA LAR.
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It is better to act cautiously beforehand than to suffer afterward.
The answers I give are my opinions. Not legal advice.