When ye come to appear before me, who hath required this at your hand, to tread my courts?
When ye come to appear before me - in the temple, where the Shechinah, resting on the ark, was the symbol of God's presence (Exodus 23:15; Psalms 42:2).
Who hath required this at your hand - as if you were doing God a service by such hypocritical offerings (Job 35:7). God did require it (Exodus 23:17), but not in this split (Micah 6:6-7).
To tread my courts - areas, in which the worshippers were. None but priests entered the temple itself.