Opening food business. Food by housewives. Do we need commercial gas?

The data provided by you is incomplete to provide you effective legal advice. However, it may be noted that municipal authorities make their own rules pertaining to hygiene of commercial edible items supplied within its area. They are not uniform and vary from one municipality to another. 

Under those rules, licence is required to be taken from the municipal authorities. We suggest you to visit the municipality office in the area where you plan to establish your business and check the details with them.

With the housewives you can make a mutual agreement protecting your interests. We can help you develop the draft of the agreement if needed.