On 30 October 2023, the Biocidal Products Regulation (BPR) Union List was updated with the following expired active substance approval:

1. Poly(oxy-1,2-ethanediyl), α-[2-(dide- cylmethylammonio)ethyl]- .omega.- hydroxy-, propanoate (salt) (Bardap 26)

   Product type 8 (wood preservatives)

This brought the number of expired active substance approvals to 25.