The Ontario Building Code | Construction Requirements
220.127.116.11. Construction Requirements
(1) A portable privy shall be constructed in the following manner:
(b) the receptacle for the holding and storage of sewage shall be designed and constructed in such a manner as to allow it to be easily emptied and cleaned, and
(c) the portable privy shall be constructed of such material and in such a manner that it can withstand the stresses to which it will be subjected during its transportation to and from sites where it is to be used and during loading and unloading from vehicles used for the transportation of the portable privy to and from sites where it is to be used.
Section 8.4. Class 2 Sewage Systems
8.4.1. General Requirements