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After clicking the 
button, the Add New Service Charges form opens.
From here, the User can select the Charge Catalog and the Override GLA. The Charge amount auto fills based on the Default Amount from the given Charge Catalog. Sometimes there is an option for a Charge Override Amount based on the Charge Catalog. A Description is highly recommended for tracking purposes. The Description will be used on the View Bill report for each given Charge. The User can select to prorate the Charges or not based on Billing needs.
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