Rule library
UAD1085FatalField 8.001Subject

The number of living units cannot be 0 for any dwelling.

Where this rule lives in the report

Dwelling Exterior
Subject Property Units in Structure

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 LivingUnitCount = 0 in a given instance of STRUCTURE_DETAIL
Data Point Name
LivingUnitCount
Unique ID
0300.0063
Report Field ID
8.001
What this field means
The number of separate living units in the structure, including any accessory dwelling units.

Seen in the sample reports

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

More rules in “Dwelling Exterior”

UAD1048At least one structure on the property must be identified as a 'Dwelling'.
Fatal
UAD1050Provide 'Year Built' for each dwelling.
Fatal
UAD1052The 'Year Built' is prior to 1800. Please check for accuracy.
Warning
UAD1053The 'Year Built' for a dwelling cannot be after 'Effective Date of Appraisal'.
Warning
UAD1054For each dwelling indicate whether the 'Year Built' was estimated.
Warning