Rule library
UAD1091FatalField 1.039Subject

When 'Units Excluding ADUs' is more than 1, the structure identifier must be provided for each dwelling.

Where this rule lives in the report

Dwelling Exterior
{No Label}

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
ImprovementType = "Dwelling" and LivingUnitExcludingADUCount > 1, and StructureIdentifier is not provided in a given instance of STRUCTURE_DETAIL
Data Point Name
StructureIdentifier
Unique ID
0300.0101
Report Field ID
1.039
What this field means
An unique alphanumeric string used to identify and/or differentiate between multiple structures located on the property.

Seen in the sample reports

How this field is populated in the official UAD 3.6 sample scenarios.

Building 1Subject
Building 1Subject

More rules in “Dwelling Exterior”