A. 
No person shall permit weeds or grasses to grow or to accumulate upon land or premises so as to create a nuisance detrimental to health or to the safety of property or to constitute a menace from fire thereon or to adjoining property.
B. 
If owners of unoccupied lands cannot be ascertained and thus fail to respond after a reasonable time to notices from the Board, the City may, through its appropriate department, enter upon such lands or premises and remove the accumulated weeds or grasses at the expense of the owner.