"Having discounted the existence and/or validity of the 1990 Bond, there can be no novation to speak of. Novation is the extinguishment of an obligation by the substitution or change of the obligation by a subsequent one which extinguishes or modifies the first, either by changing the object or principal conditions, or by substituting another in place of the debtor, or by subrogating a third person in the rights of the creditor. For novation to take place, the following requisites must concur: 1) There must be a previous valid obligation; 2) The parties concerned must agree to a new contract; 3) The old contract must be extinguished; and 4) There must be a valid new contract.[33]
In this case, only the first element of novation exists. Indeed, there is a previous valid obligation, i.e., the 1989 Bonds. There is however neither a valid new contract nor a clear agreement between the parties to a new contract since the very existence of the 1990 Bond has been rendered dubious. Without the new contract, the old contract is not extinguished.
Implied novation necessitates a new obligation with which the old is in total incompatibility such that the old obligation is completely superseded by the new one.[34] Quite obviously, neither can there be implied novation. In this case, there is no new obligation.
The liability of Lagman is expressed in Indemnity Agreements executed in consideration of the 1989 Bonds which we have considered as continuing contracts. Under both Indemnity Agreements, Lagman, as co-signor, together with Santos, Ban Lee Lim and Reguine, bound themselves jointly and severally to Country Bankers to indemnify it for any damage or loss sustained on the account of the execution of the bond, among others. The pertinent identical stipulations of the Indemnity Agreements state:
INDEMNITY: ─ To indemnify and make good to the COMPANY jointly and severally, any damages, prejudice, loss, costs, payments advances and expenses of whatever kind and nature, including attorney’s fees and legal costs, which the COMPANY may, at any time, sustain or incur, as well as to reimburse to said COMPANY all sums and amounts of money which the COMPANY or its representatives shall or may pay or cause to be paid or become liable to pay, on account of or arising from the execution of the above-mentioned BOND or any extension, renewal, alteration or substitution thereof made at the instance of the undersigned or anyone of them.[35]
Moreover, the Indemnity Agreements also contained identical Incontestability Clauses which provide:
INCONTESTABILITY OF PAYMENTS MADE BY THE COMPANY: ─ Any payment or disbursement made by the COMPANY on account of the above-mentioned Bond, its renewals, extensions, alterations or substitutions either in the belief that the COMPANY was obligated to make such payment or in the belief that said payment was necessary or expedient in order to avoid greater losses or obligations for which the COMPANY might be liable by virtue of the terms of the above-mentioned Bond, its renewals, extensions, alterations, or substitutions, shall be final and shall not be disputed by the undersigned, who hereby jointly and severally bind themselves to indemnify [Country Bankers] of any and all such payments, as stated in the preceding clauses.
In case the COMPANY shall have paid[,] settled or compromised any liability, loss, costs, damages, attorney’s fees, expenses, claims[,] demands, suits, or judgments as above-stated, arising out of or in connection with said bond, an itemized statement thereof, signed by an officer of the COMPANY and other evidence to show said payment, settlement or compromise, shall be prima facie evidence of said payment, settlement or compromise, as well as the liability of the undersigned in any and all suits and claims against the undersigned arising out of said bond or this bond application.[36]
Lagman is bound by these Indemnity Agreements. Payments made by Country Bankers by virtue of the 1989 Bonds gave rise to Lagman’s obligation to reimburse it under the Indemnity Agreements. Lagman, being a solidary debtor, is liable for the entire obligation. "
