code: @Override
  	public CommerceTierPriceEntry fetchByC_ERC(long companyId,
  		String externalReferenceCode) {
  		return fetchByC_ERC(companyId, externalReferenceCode, true);
  	}
docs: Returns the commerce tier price entry where companyId = &#63; and externalReferenceCode = &#63; or returns <code>null</code> if it could not be found. Uses the finder cache.
  
  @param companyId the company ID
  @param externalReferenceCode the external reference code
  @return the matching commerce tier price entry, or <code>null</code> if a matching commerce tier price entry could not be found