Increase in Business Clause

The undersigned hereby agreed to accept at the premium stated in policy, additions to the sum insured to maximum of in total 10% of the insured amount under this policy. However, that expire dates of the aforesaid additions not take place subsequent to the expire date of this policy such additions to the sum insured so accepted will be considered take effect from the date of the postmark of the written or the date of telegraphic instruction from the Insured.