6. In case of permanent total or partial disability of the seafarer caused by either injury or illness, the seafarer shall be compensated in accordance with the schedule of benefits enumerated in Section 32 of his Contract. Computation of his benefits arising from an illness or disease shall be governed by the rates and the rules of compensation applicable at the time the illness or disease was contracted. On June 21, 1997, respondent was repatriated to the Philippines and declared fit to work on November 7, 1997, or a total period of 141 days. Applying the said provisions of the Standard Contract, respondent is entitled to receive sickness wages, covering the maximum period of 120 days, or the amount of US$4,800.00. The NLRC, as affirmed by the CA, found that petitioners are liable to pay respondent the total amount of US$3,790.00 (US$4,800.00 less the amount of US$1,010.00 which he already received by virtue of the Receipt and Quitclaim dated June 25, 1997).   As pointed out by the CA, petitioners, in their motion for reconsideration of the NLRC Decision dated May 25, 1999, raised for the first time that they had given the amount of US$3,790.00 to respondent and belatedly submitted two (2) cash vouchers, i.e., US$1,000.00, dated April 16, 1997, which was signed by respondent; and US$2,290.00, dated April 21, 1997, which was signed by respondent's wife Cristina Flores, or a total of US$3,790.00. The CA observed that the said cash vouchers do not bear the name and logo of petitioners, unlike the check voucher they issued for the reimbursement of the medical expenses of respondent amounting to P4,896.50, and that these vouchers were supposedly already in existence or in the possession of the petitioners since April 1997, but they never interposed such fact in their pleadings, e.g., Position Paper, Supplement