## etc0013 - deteriorated credit risk instrument etc0013 fair value changes due to changes in credit risk before purchase cannot change over time

### Card of business rule deteriorated credit risk instrument etc0013 fair value changes due to changes in credit risk before purchase cannot change over time

Name | deteriorated credit risk instrument etc0013 fair value changes due to changes in credit risk before purchase cannot change over time
Code | etc0013
Comment | This validation check ensures that the value reported for the 'fair value changes due to changes in credit risk before purchase' attribute is consistent between the current reporting reference date (T) and the previous available reporting reference date (T-1). This means that the value of the reported attribute cannot be changed. ECB Validation identifier: CN0810
Rule Type | Constraint

### Server expression of the business rule deteriorated credit risk instrument etc0013 fair value changes due to changes in credit risk before purchase cannot change over time

Let T be the reporting reference date: (('deteriorated credit risk instrument'.'fair value changes due to changes in credit risk before purchase' (T) = 'deteriorated credit risk instrument'.'fair value changes due to changes in credit risk before purchase' (T-1)) and ('deteriorated credit risk instrument'.'fair value changes due to changes in credit risk before purchase' (T) <> "Unknown"))

### List of DNB-specific attributes of the business rule deteriorated credit risk instrument etc0013 fair value changes due to changes in credit risk before purchase cannot change over time

Name | Value
business rule classification | entity type constraint
business rule scope | Checked with data outside of the data delivery
business rule status | active business rule
number of dependencies | 1
severity | signalling

### List of attached objects of the business rule deteriorated credit risk instrument etc0013 fair value changes due to changes in credit risk before purchase cannot change over time

Short Description
Entity Attribute 'deteriorated credit risk instrument.fair value changes due to changes in credit risk before purchase'

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