Recently, the European Commission announced that, in accordance with the EU plant protection regulations (1107/2009), it was approved to register the active ingredient of plant growth regulator of Chrysal (the former Dutch company Enhold). The active substance will be confirmed to be listed in Appendix 1 on May 1, 2014 and will expire on April 30, 2024. The application was submitted to the Netherlands by Chrysal in 2003.

The European Commission asked Member States to pay special attention to the protection of operators and workers, limit the possible leakage of silver ions during waste solution treatment, and pay attention to the risks of using sludge in agricultural production to terrestrial vertebrates and soil invertebrates.