To overview: Performance scientific tests of in vitro diagnostic clinical gadgets Halt, Ter­mi­na­tion or Stop of the Per­for­mance Research Re­quest for waiv­ing the au­tho­ri­sa­tion Au­tho­ri­sa­tion No­ti­fi­ca­tion of a Submit-Mar­ket Per­for­mance Study Sub­stan­tial mod­i­fi­ca­tions No­ti­fi­ca­tions of for e