Rule library
UAD1090FatalField 8.049Subject

Provide a description when heating system type = 'Other'.

Where this rule lives in the report

Other
System

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
HeatingSystemType = "Other" and HeatingSystemTypeOtherDescription is not provided in a given instance of HEATING_SYSTEM
Data Point Name
HeatingSystemTypeOtherDescription
Unique ID
0300.0089
Report Field ID
8.049
What this field means
A free-form text field used to collect additional information when Other is selected for Heating Type.

Seen in the sample reports

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

Heat PumpSubject

More rules in “Other”