private void connectTax(Tax tax, ArrayList<FieldCircularList> fieldArrayList, Parking parking) {
		if(parking == null) {
			for(FieldCircularList next : fieldArrayList) {
				if(next instanceof Parking) {
					tax.setParking((Parking) next);
					break;
				}
			}
		} else {
			tax.setParking(parking);
		}
	}