Complaint against Ceres alarms

Hallo there I would like to report Ceres alarms in Ceres in the Western Cape South Africa. I have been a employee for six months. Wrote my resignation as affect of 15 March 2024. Giving a two week notice period. They are owing me a 10.27 day's leave pay for the period 5 October 2023 to 31 March 2024. Dispute they refuse to pay me my leave pay. I have a copy of my resignation that was hand delivered to reception addressed to Riaan Scholtz owner of Ceres alarms.