424. Construction of particular words.

If the covenant on the part of the tenant to pay rates and taxes includes any of the words 'duties', 'outgoings', 'impositions' or 'burdens', the effect is to carry the tenant's liability beyond annual assessments, and to make him liable to pay all sums of money payable in respect of the demised premises notwithstanding that they are expenses of permanent improvements1. Thus a covenant by the tenant to pay duties binds him to pay drainage expenses incurred under statutory public health provisions2, and also to pay the expenses incurred in abating a nuisance3 whether the landlord does the work