Markham By-law 2023-164, s. 9(a) — Tree Preservation By-law

a completed Permit application is received in accordance with this By-law;

• (b) the requirements and general intent and purpose of this By-law is met;
• (c) the Injury or Destruction of the Tree is required for works authorized under

a building permit issued under the Building Code Act, 1992, S.O. 1992, c. 23, as amended and there is no reasonable alternative to preserve the Tree;

• (d) where a Tree Management Plan is included as part of a Permit, that the plan represents Good Arboricultural Practice;
• (e) the Tree is causing structural damage to load bearing structures, drains, or buildings; and/or
• (f) the likelihood of Tree failure is imminent and there is a high likelihood of serious injury to humans and property, as verified by a Qualified Tree Expert.