The chapters voluntarily transferred their right of electing the bishop to Emperor Charles V, and Pope Clement VII gave his consent to these proceedings.
Normally, the chapters are the ones who elect the bishop.
This statement is correct because the passage states that in this instance, the chapters had to transfer their right of electing the bishop, meaning that the chapters are the ones who normally do it.
( z1 elect :ARG0 ( z2 chapter ) :ARG1 ( z3 person :ARG0-of ( z4 have-org-role :ARG2 ( z5 bishop ) ) ) :ARG1-of ( z6 normal ) )