Commission Regulation (EU) 2021/862 of 28 May 2021 amending Regulation (EC) No 2003/2003 of the European Parliament and of the Council relating to fertilisers for the purpose of including a new type of EC fertiliser in Annex I (Text with EEA relevance)
In the Table in Section C.1, the following entry is added after entry 7: "8 Potassium formate water solution Product obtained by reacting potassium hydroxide, formaldehyde, butyraldehyde, and formic acid followed by separation and evaporation 50 % potassium formate 28 % K 2 OPotassium expressed as water soluble K 2 O27 % formate Water soluble potassium oxide"