No. You need the loan officer to find out what properties are being improved and report based on one or both of the properties being improved.
If the loan officer did not collect the required information to accurately report the HMDA data then you have a flaw in your process and management needs to address it accordingly.
From the GIR, page 2.
Management's Responsibilities
If your institution is required to comply with HMDA, management must ensure that:
Procedures are in place for collecting and maintaining accurate data regarding each loan application, loan origination, and loan purchase— for home purchase loans, home-improvement loans, and refinancings.
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The opinions expressed are mine and they are not to be taken as legal advice.