Persons under the age of 16, must not be classified as occupationally exposed radiation worker according to Safety Code F, 3.4.4. Hence they are not authorised to obtain a personal dosimeter and must not work in radiation areas.
Persons between 16 and 18, may be classified as occupationally exposed radiation worker if this activity is an essential part of their education. Their annual dose limited to 6 mSv, they must not be classified as Category A worker. (Safety Code F, 3.4.5)