Which of these are requirements for securement systems?

Requirements for Securement System: In proper working order with no damaged or weakened components that affect their performance or reduce their working load limit. No knots. Attached and secured in a manner that prevents them from coming loose during transit. Able to be tightened by a driver of an in-transit vehicle. Located inboard of rub rails whenever practicable. Edge protection must be used when a tiedown would be subject to abrasion or cutting.