In addition, the COA issued frequent warnings that even legal elephant ivory or ivory-based goods may not be bought and sold, nor publicly displayed, "without the approval of local authorities." As a result, an ivory cultural artifacts wholesale market was torn down, prompting a protest by the collectors 'association. Many business people with stores of ivory have felt aggrieved by all this.
農委會曾四處發出「合法公告象牙或加工品，非經地方主管機關同意，不得買賣或在公共場所陳列」的公文，還因此發生象牙古物由拍賣場被撤下、遭文物收藏協會抗議的事情。