Modifies the definition of "earnable compensation" as used by the Police Retirement System of St. Louis

This bill modifies the definition of "earnable compensation" within the Police Retirement System of St. Louis. However, the provided context does not specify what the current definition is or what exact change the bill proposes to the definition. Without details on the proposed definition change or how it would affect specific officers or benefit calculations, a substantive summary cannot be created. The bill appears procedural, focusing solely on redefining a term used in the retirement system's calculations, but the specific mechanism or impact is not described in the given abstract or actions.