If the Mayor declares that the accumulation of such garbage or refuse upon any lot or land constitutes an immediate nuisance and hazard to public health and safety, the municipality shall remove the garbage or refuse, or cause it to be removed, from such lot or land within 48 hours after notice by personal service or following receipt of a certified letter if such garbage or refuse has not been removed.
(Neb. RS 16-230, 16-231, 16-246, 16-901, 18-1303) (2000 Code, § 4-207)