Form “Kor Tor 26 Kor” is the form that the Social Security Office estimates the amount of Workmen’s Compensation Fund contribution for the new year (2012) for your company to pay. It is estimated from 2011 salaries that the official has seen from the Social Security form filed monthly throughout 2011. In this form, it says the amount you have to pay for the fund of 2012. The payment must be made to the Social Security Office within this month (January 2012).