The prerequisites of the course can be found in the ‘overview’ tab of the course page, and the ‘prerequisites’ tab at the time of sign up. You will be asked to upload a valid training certificate of the relevant courses before you can sign up for the advanced courses.

You can also find this information from the ‘course details’ of the relevant course from this knowledge base article. You can alternatively reach out to training@zdhc.org, or the AI Chatbot Zeddy to understand more.