code: @Indexable(type = IndexableType.REINDEX)
  	@Override
  	public CommerceTaxFixedRate updateCommerceTaxFixedRate(
  		CommerceTaxFixedRate commerceTaxFixedRate) {
  		return commerceTaxFixedRatePersistence.update(commerceTaxFixedRate);
  	}
docs: Updates the commerce tax fixed rate in the database or adds it if it does not yet exist. Also notifies the appropriate model listeners.
  
  @param commerceTaxFixedRate the commerce tax fixed rate
  @return the commerce tax fixed rate that was updated