The conformity assessment procedures to be followed for each of the risk categories set out in Annex I are as follows:
(a)((a)) Category I: internal production control (module A) set out in Annex IV;
(b)((b)) Category II: EU type-examination (module B) set out in Annex V, followed by conformity to type based on internal production control (module C) set out in Annex VI;
(c)((c)) Category III: EU type-examination (module B) set out in Annex V, and either of the following:
(i)((i)) conformity to type based on internal production control plus supervised product checks at random intervals (module C2) set out in Annex VII;
(ii)((ii)) conformity to type based on quality assurance of the production process (module D) set out in Annex VIII.
By way of derogation, for PPE produced as a single unit to fit an individual user and classified according to Category III, the procedure referred to in point (b) may be followed.