The practices described in this article have been traced back to the middle 1960's. Furthermore, it requires the proper labeling of any such piece at the time of sale or display at NIA sanctioned activities. This may well be because the seller is unaware of the alteration but it may also be an intentional attempt to defraud. 9. shall not knowingly misrepresent the rarity or value of insulators or related items they offer for sale or trade. It shall be the show host's responsibility to strictly enforce this rule and the decision of the show host shall be final.
Repaired items are also acceptable in exhibits.