This requirement is BEST described as an implementation of:

A software project manager has been provided with a requirement from the customer to place
limits on the types of transactions a given user can initiate without external interaction from
another user with elevated privileges. This requirement is BEST described as an implementation
of:

A.
An administrative control

B.
Dual control

C.
Separation of duties

D.
Least privilege

E.
Collusion