For Prototype Adequate Campaign the TRD project sub-team should determine whether a particle size specificationshould be set based on a defined test method and how the desired particle size should be manufactured. Asdiscussed above the decision is largely dependent on the mode of administration, the dose range and thephysiochemical properties of the drug substance. Discussion and final decision should occur timely to allow properscheduling of process development (crystallization, filtration, drying, milling) see also Dev. Man. chapter B09.