Utilization of spreasheets to define business rules is becoming very popular these days. Here are several example sthat have been borrowed from OpenRules
They also recommend you to look at the case study Clinical Guidelines
Here are some examples that have been adapted for Rools:
These examples have been created using Excel on the Macintosh. The files are then saved as CSV files. Make sure that no extraneous lines have been added by your favorite spreadhsheet program.
And let me know if you have any difficulties…