## etc0022 - natural person-instrument data etc0022 income at inception cannot change over time

### Card of business rule natural person-instrument data etc0022 income at inception cannot change over time

Name | natural person-instrument data etc0022 income at inception cannot change over time
Code | etc0022
Comment | This validation check ensures that the value reported for the 'income at inception' 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.
Rule Type | Constraint

### Server expression of the business rule natural person-instrument data etc0022 income at inception cannot change over time

Let T be the reporting reference date: ('natural person-instrument data'.'income at inception'(T) = 'natural person-instrument data'.'income at inception'(T-1) and 'natural person-instrument data'.'income at inception'(T) <> "Unknown")

### List of extended attributes of the business rule natural person-instrument data etc0022 income at inception cannot change over time

Name | Data Type | Value | Target Name
business rule classification | (String) | entity type constraint | Local Extensions
business rule scope | (String) | Checked with data outside of the data delivery | Local Extensions
severity | (String) | signalling | Local Extensions

### List of attached objects of the business rule natural person-instrument data etc0022 income at inception cannot change over time

Short Description
Entity Attribute 'natural person-instrument data.income at inception'

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