Depending on what system you're using you would set up a scheduled task, for example on a windows server, in task scheduler you could set that the trigger is the 1st of January, April, July and OctoberThen your executable will be php-cgi.exe in your php directory and then you need to have php file with the api ticket request that you'll be sending into php.Here's a guide for making api calls to create tickets https://github.com/osTicket/osTicket/blob/develop/setup/doc/api/tickets.mdDon't forget to create a api key.