In the discretion of the Construction Official, an additional extension may be granted for a period of up to six months upon demonstration to the Construction Official that an objectively reasonable hardship exists, which hardship has resulted in a practical impossibility for the completion of construction such as an act of God, or municipal land use board pending application or approval. Extension shall not be granted for disputes between the contractor and the owner. The hardship extension period shall be $50 for such hardship.