21On non-compliance with notice local authority to proceed summarily.
If the person on whom a notice to remove a nuisance has been served as aforesaid makes default in complying with any of the requisitions thereof within the time specified, and if the nuisance, although removed since the service of the notice is, in the opinion of the local authority, likely to recur on the same premises, the local authority shall proceed by summary petition as hereinafter provided.