Cases with Industry Code "HT" HEATING AAM-Application to change accounting methods (2 cases) ABN-Application to abandon service (5 cases) AEC-Application to revise or cancel a contract (35 cases) AEM-Application for emerg./ temp./ rate increase (2 cases) AIR-Application to increase rates (16 cases) AIS-Application to issue stocks/securities (8 cases) ARJ-Application for relief from PUCO jurisdiction (2 cases) ATA-Application for tariff approval (14 cases) ATR-Application to conduct transactions (4 cases) CMR-Complaint on Municipal Rates (1 cases) CSS-Complaint on service or safety (4 cases) RDR-Application to establish tariff riders that do not have another specific code. (16 cases) SLF-Self Complaint (2 cases) TRF-Commission approved final tariffs (5 cases) UNC-Unclassified (11 cases)