code: @Indexable(type = IndexableType.REINDEX)
  	@Override
  	public CommerceTaxFixedRate addCommerceTaxFixedRate(
  		CommerceTaxFixedRate commerceTaxFixedRate) {
  		commerceTaxFixedRate.setNew(true);
  
  		return commerceTaxFixedRatePersistence.update(commerceTaxFixedRate);
  	}
docs: Adds the commerce tax fixed rate to the database. Also notifies the appropriate model listeners.
  
  @param commerceTaxFixedRate the commerce tax fixed rate
  @return the commerce tax fixed rate that was added