code: @Override
  	public com.liferay.commerce.tax.engine.fixed.model.CommerceTaxFixedRate getCommerceTaxFixedRate(
  		long commerceTaxFixedRateId)
  		throws com.liferay.portal.kernel.exception.PortalException {
  		return _commerceTaxFixedRateLocalService.getCommerceTaxFixedRate(commerceTaxFixedRateId);
  	}
docs: Returns the commerce tax fixed rate with the primary key.
  
  @param commerceTaxFixedRateId the primary key of the commerce tax fixed rate
  @return the commerce tax fixed rate
  @throws PortalException if a commerce tax fixed rate with the primary key could not be found