We do not know what you mean by "PFD", please do not use abbreviations. But the answer would be when the instructions for the "PFD" say it needs to be replaced.
You must be able to put the PFD on in a reasonable amount of time in an emergency.
Vessels 16 feet or longer must have one type of IV PFD.
throwable PFD
A personal flotation device (PFD) should be replaced if it is damaged, has lost its buoyancy, or shows signs of wear and tear, such as frayed straps or cracks. Additionally, if the PFD is past its manufacturer’s expiration date, it is advisable to replace it, as materials can degrade over time. Regular inspections are important to ensure safety while using the device.
An operator would be required to replace a Personal Flotation Device (PFD) if it shows signs of significant wear or damage, such as tears, holes, or compromised buoyancy. Additionally, if the PFD fails to meet regulatory standards or is past its expiration date, it must be replaced. Regular inspections and adherence to manufacturer guidelines are also critical in determining the need for replacement.
Must be in good, serviceable condition It is a legal requirement for a PFD to be in good, serviceable condition.PFDs must be properly sized for the intended wearer.
A PFD is a personal flotation device. It is important that it fits correctly and it must be approved for your weight range.
under the age of 13
16 feet
Wear the PFD in shallow water or a swimming pool.
Children under 7 years of age while underway on the open deck of any vessel must always wear a PFD. A PFD is a Personal Floatation Device. The PFD must be an approved type such as type I,II, or III