anchor.diff:  300A,Commercial Services,Hotel / Motel
   300B,Commercial Services,Motel/ Winter SRO
   300C,Commercial Services,Bed and Breakfast
  -310,Commercial Services,Professional / Personal Service
  +310D,Commercial Services,Professional / Personal Service
   310A,Commercial Services,Delivery (includes FedEx UPS)
   310B,Commercial Services,Landscaping / Gardening
   310C,Commercial Services,Printing
  -310,Commercial Services,Photography
  +310D,Commercial Services,Photography
   310E,Commercial Services,Contractor / Building / Development / Remodel
  -310,Commercial Services,Travel Agency
  +310F,Commercial Services,Travel Agency
   310G,Commercial Services,Drycleaning / Laundry
   310H,Commercial Services,Beauty Salon / Haircutting
   310I,Commercial Services,Burial / Mortuary / Cemetary/ Mausoluem
  
positive.code: 200A,Trade (Wholesale and Retail),Bakery
  200B,Trade (Wholesale and Retail),Confectionary and Related
  200C,Trade (Wholesale and Retail),Dairy Products
  200,Trade (Wholesale and Retail),Chemicals and Related
  200E,Trade (Wholesale and Retail),Drugs / Sundries and related
  200,Trade (Wholesale and Retail),Fish / Seafood
  200G,Trade (Wholesale and Retail),Frozen Foods
  200H,Trade (Wholesale and Retail),Health Foods
  200I,Trade (Wholesale and Retail),Meat/Meat Products
  
negative.code: 830A,Residential,4 unit multi-family
  830B,Residential,4 unit condo
  830C,Residential,5-9 unit Multi-family
  830D,Residential,5-9 unit condo
  840,Residential,Multi-family (10+ units)
  840A,Residential,10+ units Multi-family
  840B,Residential,10+ units condo
  