Generally, during the registration period, you will register at the self-study examination office of the Education Bureau, and soon you will receive a letter from the tutor appointed by this major, providing you with a thesis defense topic of your choice, and will also attach a model essay; At this time, you will begin to conceive your paper. Wait until April or 10, and you will be informed of the specific time and place of your defense.
Of course, the regulations may vary from place to place, so it is best to call the local study room for consultation. I wish you a smooth pass!