Part B of the CPSR should be carried out by a suitably qualified safety assessor Annex I of the Regulation and Guidelines on Annex I to Regulation (EC) No. 1223/2009 outline exactly what is required in a CPSR under specific headings and it is important that an RP familiarises themselves with and understands these requirements.
More information in relation to requirements of qualifications of Safety Assessors of Cosmetic Products can be found here.