CPSC issued a final rule Safety Standard 16 CFR part 1233 for Portable Hook-On Chairs on March 28, 2016. This rule will become effective on September 28, 2016 and will apply to all Portable Hook-On Chairs manufactured or imported on or after that date.

The rule incorporates by reference ASTM F1235-15 Standard Consumer Safety Specification for Portable Hook-On Chairs without modification.

The ASTM standard F1235-15 specifies the appropriate ages and weights for children using portable hook-on chairs as “between the ages of six months and three years and who weigh no more than 37 lb (16.8 kg).”

ASTM F1235-15 contains requirements covering:

• Sharp points
• Small parts
• Lead in paint
• Wood parts
• Latching and locking mechanisms
• Scissoring, shearing, and pinching (including during detachment from table support surface)
• Exposed coil springs
• Openings
• Labeling
• Protective components
• Performance test