The appropriation for the magistrates’ divisions of the district courts shall be by separate appropriation to the Supreme Court for such magistrates’ divisions, and shall be allocated by the Supreme Court among the judicial districts and for the payment of expenses of magistrates’ institutes, from time to time, as may be deemed necessary. Such appropriation shall be used for the payment of salaries and travel and subsistence expenses for magistrates, for the payment of travel and subsistence expenses of district magistrates commissions and for the payment of necessary expenses as may be incurred in holding institutes including travel and subsistence expenses of magistrates and of institute instructors.