2. Duties of the Insured in Claiming for Compensation
If any breakage shall occur to any of the Glass hereby insured, the Insured shall give notice in writing to the Insurer and shall within 7 days at the latest after such breakage and at his own expense deliver to the Insurer a detailed claim in writing for such breakage, including the cost of any necessary and reasonable boarding up before replacement of external glass and shall furnish to the Insurer such information as the Insurer may require in connection therewith and no claim whatever under this insurance shall be payable unless and until the terms of this Condition shall have been complied with.