sentence: The strain PB ‐ 54 is intrinsic resistant to ampicillin , cephalothin , penicillin G , trimethoprim ‐ sulfamethoxazole.The main data regarding the identity of Bacillus thuringiensis subsp. kurstaki strain PB 54 and its biological properties are given in Appendix A.Acceptable methods for CFU counts of Bacillus thuringiensis subsp. kurstaki strain PB 54 in the formulation for the determination of the microorganism in the MPCP and for the determination of the content of contaminating microorganisms are available.Methods for the determination and quantification of residues are currently not required as no residue definition applies to the microorganism and no MRL was set for any of the intended uses .