1456. Presumption of knowledge of loss, 1457. Concealments which only affect the risk in question,.. 1521. Assignee, &c., of life policy need have no interest,. 444 SECTION 1524. Indemnity, what,...... 1525. Indemnity for a future wrongful act, void,. 445 445 1529. Person indemnifying, liable jointly or severally with person indem 1535. Knowledge of principal not necessary to creation of guaranty, .. 449 ARTICLE II. CREATION OF GUARANTY. SECTION 1536. Necessity of a consideration,.. 1537. Guaranty to be in writing, &c., 1538. Engagement to answer for obligation of another, when deemed 450 450 1545. Liability upon guaranty of payment or performance,.. 459 459 1547. Obligation of guarantor cannot exceed that of the principal, 459 459 1566. Surety may require the creditor to proceed against the principal,. 1567. Surety may compel principal to perform obligation, when due, |