Add or remove optional split rating period check box

About this task

To add or remove the optional Split Rating Period check box in modifier patterns for a line of business:

In Studio, open the properties file for the policy line pattern by navigating to configuration > config and opening:
```
resources/productmodel/policylinepatterns/XXLine/code.properties
```
The properties file is named code.properties where code is the code of the policy line. For example, the workers’ compensation properties file is WorkersCompLine.properties.
Change the line.usesSplitRatingPeriod property to true to add the check box, or false to remove the check box.