The insurance hereby extends to cover alterations, additions and improvements (but not appreciation in value)in excess of the sums insured for building and machinery specified in the Policy for an amount not exceeding 10 % of the sums insured thereby or Rp. ..........whichever is the less, it being understood that the Insured undertakes to advise the Company each quarter such alteration, addition and improvement and to pay the appropriate additional premium thereon.
COMMENT Underwriters to guarantee reasonable amount
COMMENT Underwriters to guarantee reasonable amount