For an additional premium, this coverage applies while the "residence premises" is rented:

a. On an occasional basis to others if used only as a residence; or

b. In part to a roomer or boarder.

This coverage does not apply to the regular rental of the entire "residence premises" or of an apartment on the "residence premises."

We do not cover loss by theft from the part of the "residence premises" rented to others:

a. Caused by a tenant, roomer or boarder, members of the tenant's household, or their employees;

b. Of money, bank notes, bullion, gold, goldware, gold-plated ware, silver, silverware, silver-plated ware, pewterware, platinum, coins and medals;

c. Of securities, accounts, deeds, evidences of debt, letters of credit, notes other than bank notes, manuscripts, personal records, passports, tickets and stamps regardless of the medium (such as paper or computer software) on which the material exists; or

d. Of jewelry, watches, furs, precious and semi-precious stones.

Exclusion c. of the peril of Theft

"from that part of a 'residence premises' rented by an 'insured' to other than an 'insured.'"

is deleted and replaced by the following:

c. From that part of a "residence premises" regularly rented by an "insured" to other than an "insured," roomer or boarder.

All other provisions of this policy apply.