Note to paragraph (a)(4): To calculate a child's age in months: Subtract the child's birth date from the test date. The following calculation shows how to determine the age of the child at the time of the test. Both dates are expressed numerically as Month-Day-Year.
Example: Test Date (e.g., 8/3/94) minus Birth Date-(e.g., 6/23/90). Subtract the number for the year of birth from the number for the year of the test (i.e., 94 minus 90 = 4). Multiply the difference in years by 12 months (i.e., 4 years * 12 months = 48 months). Subtract the number for the month of the birth date from the number of the month of the test date (i.e., 8 minus 6 = 2 months). Add the difference in months obtained above to the number of months represented by the difference in years described above (48 months + 2 months = 50 months). If the difference in days is greater than 15 (e.g., 16, 17 . . .), add 1 month. If the difference in days is less than -15 (e.g., -16, -17), subtract 1 month (e.g., 50 months-1 month = 49 months). If the difference in days is between -15 and 15 (e.g., -15, -14, . . . 14, 15), do not add or subtract a month.
Note: When a test is initiated with five testers and one tester drops out, a sixth tester may be added to complete the testing. When a test is initiated with six testers and one tester drops out, the test shall be completed using the five remaining testers. When a tester drops out, the requirement for each tester to test an approximately equal number of children does not apply to that tester. When testing is initiated with five testers, no tester shall test more than 19 children until it is certain that the test can be completed with five testers.
Note: If a surrogate multi-purpose lighter is permanently damaged, testing shall continue with the remaining multi-purpose lighters. When a multi-purpose lighter is dropped out, the requirement that each multi-purpose lighter be tested by an approximately equal number of children does not apply to that lighter.
Note: For multi-purpose lighters with an "off/on" switch, the surrogate lighter shall be given to the child with the switch in the "on," or unlocked, position.
Note to paragraph (f)(3): The demonstration is conducted with each child's lighter, even if one child has successfully operated the lighter. Testers shall conduct the demonstration in a uniform manner, including the words spoken to the children, the way the multi-purpose lighter is held and operated, and how the tester's hand and body is oriented to the children. All testers must be able to operate the surrogate multi-purpose lighters using only appropriate operating movements in accordance with the manufacturer's instructions. If any of these requirements are not met during the demonstration for any pair of children, the results for that pair of children shall be eliminated from the test. Another pair of eligible children shall be used to complete the test panel.
Note: Multi-purpose lighters with an on/off switch shall have the switch returned to the position the child left it at the end of the first 5-minute test period before returning the lighter to the child.
16 C.F.R. §1212.4