Secondary interpretation is the process of taking the primed data produced by the primary interpretation process and applying a set of rules to that data to determine how much a payee should be paid based on submitted timesheet data.
The following diagram summarises the secondary interpretation process. 
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The conditions, actions and action limits that are applicable to a pay agreement are configured in Rates and Rules by defining pay code rules.
Once the relevant conditions have been checked and applied, Rates and Rules determines the applicable pay rates for the pay codes for which an action existed within each applicable rule. The applicable pay rates are configured in a pay agreement by defining pay rate rules.