unless he agrees that, in the absence of unforeseen circumstances preventing his service as a page after his appointment, he will continue to serve as a page for the period specified in writing at the time of the appointment; and

until complete information in writing is transmitted to his parent or parents, his legal guardian, or other appropriate person or persons acting as his parent or parents, with respect to the nature of the work of pages, their pay, their working conditions (including hours and scheduling of work), and the housing accommodations available to pages.

of the Senate before he has attained the age of sixteen years; or

of the House of Representatives before he has attained the age of sixteen years.