Validate KPP RU

Checks the entered data for compliance with the KPP format (registration reason code) of the Russian Federation.

Stream connectors

• [Input] In - starts block execution.

• [Output] Out - is activated when the block has finished executing.

Data connectors

• [Input] kpp (string) - the value to check for compliance with the format.

• [Output] is_valid (boolean) - if the value matches the format, it returns the value True, otherwise - False.