The only one would be to register with the County Health Dept so they can do random inspections; refrig is the correct temperature, no bugs or mice, etc.But you will be so small when you start that they dont really care about you. Wait until you hit $30,000 gross income to contact the city, county and state. If you hire anyone, withhold tax.Dont have customers stop at your house or Zoning will shut you down fast.. Answer1:Regulations vary state to state-your best bet is to get with your countys health department and your states tax department. In Ohio, I do not need a license as I am considered a cottage industry, but I was selling products through a store in Michigan and needed to be licensed. The department of agriculture is in charge of businesses like mine here in OH.