Rule library
UAD1439FatalSales Comparable #n

Provide either the amount related to the transfer of ownership of real property (typically the sale price), or the reason why the ownership transfer amount was not available.

Where this rule lives in the report

Prior Sale and Transfer History; Sales Comparison Approach
Amount; Sale Price
Comparable Transfer History; General Information

Report Section and Report Subsection 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
@ValuationUseType = "SalesComparable" and (OwnershipTransferTransactionAmount and OwnershipTransferAmountNotAvailableReasonType) is not provided in a given instance of SALES_HISTORY
Data Point Name
OwnershipTransferTransactionAmount
Unique ID
1800.0208; 1800.0272

Seen in the sample reports

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

460000Sales comp
750000Subject

More rules in “Prior Sale and Transfer History; Sales Comparison Approach”