def METHOD_NAME(self, isqn, cmd):
    if cmd not in CMD_NWK_2NDBytes:
        if cmd == 0x004E and self.ListOfCommands[isqn]["datas"][0:4] == "0000":
            return True
        if cmd == 0x0049 and self.ListOfCommands[isqn]["datas"][0:4] == "FFFC":
            return True
    if cmd in CMD_NWK_2NDBytes:
        if self.ListOfCommands[isqn]["datas"][0:2] == "%02x" % ADDRESS_MODE["group"] and self.ListOfCommands[isqn]["datas"][2:6] == "0000":
            return True
        if self.ListOfCommands[isqn]["datas"][2:6] == "0000":
            return True
        if not self.firmware_with_aps_sqn and cmd == 0x0110:
            return True
    if not self.firmware_with_aps_sqn and cmd in CMD_NOACK_ZDP:
        return True