Rule library
FatalField 1.024Subject
UAD1663 — Indicate whether the present or the proposed use is the highest and best.
Where this rule lives in the report
Highest and Best Use
Is the highest and best use of the subject property as improved (or as proposed per plans and specifications) the present use?
Report Section as the GSEs define them — the black tab and grey bar you already read on the URAR.
- Severity
- Fatal — this blocks your UCDP submission and must be fixed before delivery.
- Triggered when
SiteHighestBestUseIndicator is not provided- Data Point Name
SiteHighestBestUseIndicator- Unique ID
3100.0007- Report Field ID
1.024- What this field means
- When true, indicates that the present use or the proposed use is the highest and best of the site.
How to fix UAD1663
UAD1663 is a Fatal UAD 3.6 edit, so clear it before the appraisal report goes to UCDP.
- 01Open the Highest and Best Use › Is the highest and best use of the subject property as improved (or as proposed per plans and specifications) the present use? area of the URAR and find Is the highest and best use of the subject property as improved (or as proposed per plans and specifications) the present use?.
- 02Check the condition that triggers UAD1663: SiteHighestBestUseIndicator is not provided.
- 03Correct the missing, invalid, duplicate, or inconsistent value before submitting to UCDP.
- 04Use the official Single-family (SF1) sample value on this page as a reference pattern, then re-run validation.
This fix guidance is derived from the published rule message, trigger logic, report location, field definition, and official sample data available for this rule.
Seen in the sample reports
How this field is populated in the official UAD 3.6 sample scenarios.
trueSubjecttrueSubject