1. Form H-3 would not be necessary however you still have to provide the required disclosure and NHLA under FCRA 609(g). Using the H-3 to do this is the simplest way to comply.
2. There is no "3 business day" exemption for this disclosure requirement.
3. I'm not familiar with community property state requirements so can't help you on this one. We would never have a situation where we would pull a consumer report on a non-applicant/borrower.
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The opinions expressed are mine and they are not to be taken as legal advice.