you cannot a drug under test who already has in moal then you cannot carry out tests that are necessary to the data to establish and the withdrawal in first place
If you cannot administer a drug under test to animals unless it already has an MRL, then you cannot carry out tests that are necessary to obtain the data to establish MRLs and the withdrawal period in the first place.
you cannot a drug under test to already has an MRL, then you cannot carry out tests that are necessary to the data to establish and the withdrawal in first place.