1234 LAWS OF MARYLAND. [CH. 631

shall have expired. No bonds issued for the purpose of pro-
viding funds, in whole or in part, for any of the public im-
provements enumerated below shall be issued to mature at a
date later than the number of years from date of issue set op-
posite each of said public improvements so enumerated, and in
no event shall bonds be issued by any public body for any pub-
lic or proprietary purpose to mature more than forty (40)
years from date of issue. The public improvements herein-
above referred to and the maximum number of years during
which bonds for such improvements may be outstanding are
as follows:

	Purpose of Issue Bridges Electric Light and Power Systems Gas Systems Grade Crossing Eliminations Harbor Improvements Highway Construction Land Acquired for Permanent Improvement Paving Existing Highways or Streets School Construction Sewerage Installation Water Systems All Other Permanent Structures of Durable materials	Maximum Limit Upon Maturity of Issue 30 years 25 years 25 years 25 years 25 years 20 years 40 years 10 years 25 years 40 years 40 years 25 years

In the event any public body shall wish to provide in a sin-

gle issue of bonds for two or more of the purposes hereinabove
enumerated, and the maximum maturity limitations herein-
above set forth shall differ for said several purposes, then the
shortest period of limitations for said several public purposes
shall prevail.

SEC. 2. And be it further enacted, That this Act shall take
effect June 1, 1939.

Approved May 24, 1939.