Section 169.543 - Distribution and stowage(a) Personal flotation devices must be distributed through the upper part of the vessel in protected places convenient to the persons on board.(b) If practicable, personal flotation device containers must be designed to allow the PFDs to float free.(c) Personal flotation devices for children, when provided, must be stowed separately.(d) Lockers, boxes, and closets in which PFDs are stowed must not be capable of being locked.