public void addNaicsCode(String code) throws Exception {
		if (null == Naics) {
			Naics = new ArrayList<String>();
		} else if (1000 == Naics.size()) {
			throw new Exception("Maxiumum of 1000 NAICS codes are allowed for Search");
		}

		if (!Naics.contains(code)) {
			Naics.add(code);
		}
	}