Md. Code, State Finance and Procurement § 8-208

(a) (1) This section does not apply to a bond that:

(i) matures within 1 year after the date of issue and is issued:

1. in anticipation of tax receipts;

2. to meet current expenses; or

3. to meet an emergency;

(ii) is sold to the United States or a unit or instrumentality of the United States;

(iii) is issued under a plan of composition approved in a proceeding under Chapter IX of the United States Bankruptcy Act; or

(iv) is issued under any other plan to refund or refinance in exchange, bond for bond, an outstanding maturing debt, other than:

1. a current or floating debt; or

2. a bond under item (i) of this paragraph.

(2) This section does not apply to bond or grant anticipation notes issued under Part III of this subtitle.

(3) This section does not apply to bonds issued under an enabling act that specifically states that this section does not apply or that provides a different method for establishing the maturity of the bonds.

(b) (1) A State unit shall issue bonds on a serial maturity plan.

(2) The State unit may:

(i) vary the amounts of the series; and

(ii) provide for the maturity of a series in consecutive annual installments or at longer intervals.

(c) (1) The maturity date of the final series shall be based on the purpose for which the bonds are issued:

(i) within the time limit that applies under the schedule in paragraph (2) of this subsection; or

(ii) if more than 1 time limit applies, within the shortest applicable time limit.

(2) The schedule of maturity dates is as follows:

Limit on Maturity

Purpose of Issue of Issue

Paving existing highways or streets ………………… 10 years

Airports and buildings constructed or to be

constructed on airports ………………………………… 15 years

Highway construction …………………………………… 20 years

Electric light and power systems ……………………… 25 years

Gas systems ……………………………………………… 25 years

Grade crossing eliminations …………………………… 25 years

Harbor improvements …………………………………… 25 years

School construction ……………………………………… 25 years

All unscheduled permanent structures of durable

Materials …………………………………………………… 25 years

Bridges ……………………………………………………… 30 years

Land acquired for permanent improvements ………… 40 years

Sewerage installation ……………………………………… 40 years

Water Systems ……………………………………………… 40 years

All other unscheduled proprietary or public purposes 40 years