Section 19. If, before the expiration of the period prescribed for a suit or application in respect of any prope

19. If, before the expiration of the period prescribed for a suit or application in respect of any property or right, an acknowledgment of liability in respect of such property or right has been made in writing signed by the party against whom such property or right is claimed, or by some person through whom Effect of acknowledgment in writing. 628 Limitation. [ACT XV whom he derives title or liability, a new period of limitation, according to the nature of the original liability, shall be computed from the time when the acknowledgment was so signed. When the writing containing the acknowledgment is undated, oral evidence may be given of the time when it was signed; but oral evidence of its contents shall not be received. Explanation 1.—For the purposes of this section an acknowledgment may be sufficient, though it omits to specify the exact nature of the property or right, or avers that the time for payment, delivery, performance or enjoyment has not yet come, or is accompanied by a refusal to pay, deliver, perform or permit to enjoy, or is coupled with a claim to a set-off, or is addressed to a person other than the person entitled to the property or right. Explanation 2.—In this section "signed" means signed either personally or by an agent duly authorized in this behalf. Effect of payment of interest as such. 20. When interest on a debt or legacy is, before the expiration of the prescribed period, paid as such by the person liable to pay the debt or legacy, or by his agent duly authorized in this behalf, Effect of part-payment of principal. or when part of the principal of a debt is, before the expiration of the prescribed period, paid by the debtor or by his agent duly authorized in this behalf, a new period of limitation, according to the nature of the original liability, shall be computed from the time when the payment was made: Provided that, in the case of part-payment of the principal of a debt, the fact of the payment appears in the hand-writing of the person making the same. Effect of receipt of produce of mortgaged land. 21. Nothing in sections 19 and 20 renders one of several joint contractors, partners, executors or mortgagees 1877.] Limitation. 629 gagees chargeable by reason only of a written acknowledgment signed, or of a payment made by, or by the agent of, any other or others of them.