This consumer safety specification covers the performance requirements and test methods designed to ensure the satisfactory performance, and hence, minimize injuries to children resulting from normal use and reasonably foreseeable misuse or abuse of portable hook-on chairs. Chairs that conform to this specification shall pass the following performance tests: chair drop test; static load test; seat and seat back disengagement test; chair bounce test; chair pull/push test; restraint system integrity and retention tests; chair assembly test for the latching mechanism to prevent unintentional folding; torque test; tension test; and labeling test. Instructional literature detailing information such as assembly, maintenance, cleaning, operating, folding, and warnings, where applicable, must be included.