Article 4. In the general insurance sub-account, the revenues shall be the insurance-premiums due to the operation of the insurance business other than the unemployment insurance business in the mariner insurance business, receipts from the general account, receipts from the reserves, borrowing and adjunctive sundry receipts, and the appropriation shall be the expenses for insurance payment due to the operation of the said business, refunds and insterest of borrowings, operation expenses, expenses for sanatoriums, welfare facilities, constructions and repairs of official buildings and other miscellaneous expenses.