This European Standard is applicable to cabs of agricultural and forestry tractors and self-propelled sprayers. Its purpose is to limit the exposure of the operator (driver) to hazardous substances when applying plant protection products (PPP) and liquid fertilisers. This European Standard specifies different categories of cabs of agricultural and forestry tractors and self-propelled sprayers and the relevant requirements and test procedures in order to limit the exposure of the operator (driver) to hazardous substances when inside the cab. It also specifies the information to be provided by the tractor or self-propelled sprayer manufacturer. This document does not cover: the exposure linked to fumigants; the category of cab and performance level to be used for any particular application; the actual cab performance in the field applications; the field durability of filters. This document is not applicable to tractor cabs which are manufactured before the date of its publication as an EN.