Creo ModelCHECK > Configuring PTC Creo Modelcheck > Setting Up the Condition Files > Setting Up the Condition File: condition.mcc > Configuring for Model Creation Dates
  
Configuring for Model Creation Dates
The condition.mcc file can be configured to use different configuration files based on the date when the model was created. In the condition.mcc file, the creation date is specified using the syntax:
IF (DATE_CREATED GTE 19991231) config=…
Date codes are specified using the notation YYYYMMDD where YYYY denotes the year, MM the month, and DD the date.