Maryland Statutes
Subtitle 1 - Parking Authorities Act
Section 18-115 - Revenue Bonds -- Probable Useful Life of Project

(a)    If bonds are issued for projects having different probable useful lives, the authority shall consider the amount of the bonds to be issued for each project when it determines the average probable useful life of the projects.
    (b)    The determination under this section by an authority of probable useful life of the project or average probable useful life of the projects is conclusive.