Cambridge By-law 26-021, s. 7.1(a) — Property Standards By-law

the Owner or occupant of a Protected Heritage Property shall:

• maintain, preserve and protect every Character-Defining Element as identified with the designation by-law and/or identified within a heritage conservation district plan, and/or identified within a heritage conservation easement agreement to maintain the heritage character, visual, and structural integrity of every building, structure, or construction located on the real Property;
• and
• (b) maintain Protected Heritage Property in a manner that will ensure the protection and preservation of every heritage value and attribute. Repair of Character-Defining Elements