Massachusetts has a 6.25% sales tax as of August 1, 2009, with numerous exceptions including (among other things): "food products" (but excluding prepared meals); residential water, gas, electric services; returnable containers, clothing and footwear up to $175 (for clothing over $175, tax is due only on the amount over $175 per item[58]); prescription medicines, prostheses and medical appliances or services; publications for use in education or religious worship; poultry and livestock, as well as their feed; fruit and vegetable stock for generating food for humans; tools, machinery, parts, etc., for use in agriculture; cloth or other materials used for making clothing; residential heat pump, solar or wind power system; items purchasable with federal food stamps; the American Flag; etc. An enacted change in 2006 taxes computer software that is downloaded for use in Massachusetts, whereas previously this was viewed as a non-taxable "service".[59]