New certifications for equipment of OK Dinghies

For Sail Labels:

OK Dinghy sails built after Dec 31 2015 are required to have an official OKDIA Sail Label attached near the tack.These are to be purchased and attached by the sail-maker, and should be signed and dated by the measurer.
Orders should be sent to
The cost per label is £10 including shipping.
The Class Rules change is on the World Sailing website here:

For Mast Labels:

Mast manufacturers have to sign a letter of compliance with OKDIA to become a certified mast builder.
All masts built have to have a mast label on them.
The cost per label is £10 including shipping.
this rule is in effect since 1. November 2014