Acknowledgment of GST appeal submission confirms filing particulars and procedural entries for appellate processing and notification history. Acknowledgment for submission of appeal (GST APL-02) records filing reference number, date, time and place of filing, name of filer, amount of pre-deposit, date of acceptance or rejection, date of appearance, court/bench identification, and signature with designation on behalf of the Appellate Authority/Tribunal/Commissioner; notes indicate insertion and substitution by Central Tax notifications.