The term operating procedure is identified in base64 scheme by the sequence b3BlcmF0aW5nIHByb2NlZHVyZQ==, while the MD5 signature is equal to ef41e5d325f900ebbf9d366b29102d09. The ASCII encoding of operating procedure in hexadecimal notation is 6f7065726174696e672070726f636564757265.