the principle that international shipment of a chemical which is banned or severely restricted in order to protect human health or the environment should not proceed without the agreement, where such agreement exists, or contrary to the decision of the designated national authority of the importing country, printsiip, mille kohaselt kemikaali teelesaatmine ei või toimuda ilma eelneva kokkuleppeta või importiva maa pädeva riigiasutuse otsuse vastaselt