Minimum 14-day notice (can be earlier) is required to allow for an inspector to review your file, reach out for any clarifications or recommendations, and arrange for a date and time for the inspection.
**Centres are expected to register with the Ministry of Education before registering with Public Health
"The Health Unit collects personal information in the course of doing business. Personal information about you is collected directly from you or from the person acting on your behalf.
Personal health information collected may include, for example, your name, date of birth, address, contact information, health card number, health history, and information you provide during visits or calls to the health unit."