- To All Licensees of Food Premises
- To All Licensees of Cold Stores
- To All Licensees of Swimming Pool
- To All Licensees of Commercial Bathhouse
- To All Licensees of Places of Public Entertainment
- To All Permittees of Karaoke Establishment
- To All Permittees of Online Sale of Restricted Food Permit
- To All Licensee of Itinerant Hawker Licensee/ Fixed-pitch hawker licensee and Permittee of Registered Assistant/ Deputy
- To All FEHD market stall tenants