PRINTING APPARATUS AND NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM

A printing apparatus including: a printing unit; and a controller configured to: receive a processing execution instruction for executing a predetermined processing from an external mediation apparatus; determine whether the received processing execution instruction is a first instruction that does not involve a power supply-off operation; and transmit an execution completion report to the external mediation apparatus such that: in a case where the determining determines that the processing execution instruction is the first instruction, the execution completion report is transmitted to the external mediation apparatus at a time when execution of processing instructed by the first instruction is completed; and in a case where the determining does not determine that the processing execution instruction is the first instruction, the execution completion report is transmitted to the external mediation apparatus at a predetermined timing which is before execution of processing instructed by the processing execution instruction is completed.