code: @Override
  	public CommerceTaxFixedRateAddressRel fetchByCommerceTaxMethodId_First(
  		long commerceTaxMethodId,
  		OrderByComparator<CommerceTaxFixedRateAddressRel> orderByComparator) {
  		List<CommerceTaxFixedRateAddressRel> list = findByCommerceTaxMethodId(commerceTaxMethodId,
  				0, 1, orderByComparator);
  
  		if (!list.isEmpty()) {
  			return list.get(0);
  		}
  
  		return null;
  	}
docs: Returns the first commerce tax fixed rate address rel in the ordered set where commerceTaxMethodId = &#63;.
  
  @param commerceTaxMethodId the commerce tax method ID
  @param orderByComparator the comparator to order the set by (optionally <code>null</code>)
  @return the first matching commerce tax fixed rate address rel, or <code>null</code> if a matching commerce tax fixed rate address rel could not be found