854 LAWS OF MARYLAND. [CH. 469

the assessments to be made against the abutting property
included in the project, and such adjustments as made by
the Mayor and Common Council of Hyattsville shall be
final and conclusive; provided, further, that if and when
the cost of street and public alley intersections, and the
cost of exemptions to corner lots herein provided for, in-
cluding the amounts of adjustments made on account of
excessive excavations or excessive fills, for the construction
of drains or culverts, in the aggregate amount to more than
ten per cent, of the cost of the entire street improvement,
then the amount in excess of such ten per cent, shall be
borne and paid for by the Mayor and Common Council of
Hyattsville, out of any funds properly chargeable with
such excess costs, and the ten year payment plan herein
provided for shall extend and be accorded to the Mayor and
Common Council of Hyattsville in such regard, in the same
manner as any other property owner paying assessments
hereunder. Such assessments when made shall constitute
a tax lien upon such abutting property and shall bear in-
terest at a rate not to exceed six per cent, per annum, and
the principal of such assessments shall be payable in
twenty equal semi-annual instalments from the date of said
assessment, and at the time of the payment of each of the
said instalments there shall be due and payable the inter-
est on such instalment and on the balance of the principal
then unpaid, and the owner or owners of any property as-
sessed or any one on his or their behalf shall at any time
have the right to anticipate by payment all instalments,
with interest to date, of the assessment not then due, and
any assessment or part thereof remaining due and unpaid
shall be enforced and collected by the Mayor and Common
Council of Hyattsville in the same manner as special as-
sessments are now enforced and collected as now or here-
after prescribed and required by law; and the treasurer
of said town is charged with the custody of any moneys
received from the sale of said bonds, certificates of indebt-
edness as above mentioned, and with the prompt collection
and safe keeping of the moneys arising from assessments
upon roadbeds, sidewalks, curbs, gutters and street im-
provements, which last said funds shall be kept as a sep-
arate account and fund, and no part thereof shall ever be
used for any other purpose than to liquidate the bonds or
certificates of indebtedness, and interest thereon, issued for
sidewalks, curbs, gutters, roadbeds, and street improve-
ments, which bonds and certificates when paid, shall be
cancelled and kept and filed among the papers of said
town; and should the treasurer of said town ever divert