(a) An eligible municipality may request its share of the highway user revenues provided under this subtitle from the Administration. The request shall be made in writing at least 6 months before the start of the fiscal year in which the funds are desired.

(b) Highway user revenues shall be allocated to the eligible municipalities:

(1) One half on a municipal road mileage basis, as provided in subsection (c)(1) of this section; and

(2) One half on a motor vehicle registration basis, as provided in subsection (c)(2) of this section.

(c) The Administration shall allocate for the account of each eligible municipality, out of the highway user revenues to be distributed to the municipalities under § 8-403 of this subtitle the eligible municipality’s share, to be determined by adding:

(1) The amount that results from applying to one half of the available revenues the ratio that, as of December 1 of the preceding calendar year, the total mileage of county roads in the eligible municipality bears to the total mileage of county roads located in eligible municipalities in the State; and

(2) The amount that results from applying to one half of the available revenues the ratio that, as of December 1 of the preceding calendar year, the total number of motor vehicles registered to owners having addresses in the eligible municipality bears to the total number of motor vehicles registered to owners having addresses in eligible municipalities in the State.

(d) For purposes of the mileage formula distributions under this section, each special improvement district in Prince George’s County in existence in January, 1953, shall be treated as a municipality, but the amounts distributed shall be:

(1) Paid to the county and retained by it as credits to the district; and

(2) Applied to the cost of maintaining the streets and roads in the district so long as the district has any indebtedness.