Section 15
SEC. 15. Paragraphs (i), (y), and (z) of Article 166 are hereby amended to read as follows: "Dependents" means the legitimate, legitimated or legally adopted child who is unmarried, not gainfully employed, and not over twenty-one years of age or over twenty-one years of age provided he is incapacitated and incapable of self-support due to a physical or mental defect which is congenital or acquired during minority; the legitimate spouse living with the employee and the legitimate parents of said employee wholly dependent upon him for regular support. "Average monthly salary credit" means the result obtained by dividing the sum of the monthly salary credits in the sixty-month period ending on the last day of the second quarter preseding the quarter of death or permanent disability by sixty, except where the month of death or permanent disability falls within eighteen calendar months from the month of coverage, in which case, the average monthly salary credit is the result obtained by dividing the sum of all monthly salary credits by the number of calendar months of coverage in the same period. In the case of the GSIS, the average monthly salary credit shall be the monthly salary or wage received by the employee on the month of contingency. 'Average daily salary credit' means the result obtained by dividing the sum of the six highest monthly salary credits in the twelve-month period ending on the last day of the second quarter preceding the quarter of sickness or injury by one hundred eighty, except where the month of injury falls within twelve calendar months from the first month of coverage in the System, in which case the average daily salary credit is the result obtained by dividing the sum of all monthly salary credits by thirty times the number of calendar months of coverage in the same period. "In the case of the GSIS, the average daily salary credit shall be the actual daily salary or wage or the monthly salary or wage divided by the actual number of working days of the month of contingency."