On 4 May 2023 the European Commission adopted the draft exemption for mercury in melt pressure sensors of capillary rheometers to be added to Annex IV of RoHS. The draft was open for public consultation from 12 December 2022 to 9 January 2023. Next, the European Union will publish an amending RoHS directive in its Official Journal to formally add the exemption, the content of which is as follows:

The following entry is to be added to Annex IV of Directive 2011/65/EU:

EU RoHS restricted substance exemptions are contained in Annex III and Annex IV. Annex III exemptions apply to electrical and electronic equipment of categories 1 to 11, whereas Annex IV applies only to categories 8 and 9. This update mainly concerns category 9 products, so manufacturers of category 9 products need to pay close attention to the latest developments of this exemption. The categories of electrical and electronic equipment 1 to 11 are as follows: