Put in place (4)
'put in place' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for laid that I've seen before include "Produced eggs" , "Flattened by wind and rain" , "Produced (an egg)" , "Wagered" , "spread on a surface" .)
(Other definitions for deposit that I've seen before include "secure an item" , "Topside (anag) - put down" , "store" , "I posted (anag.)" , "Sum of money paid into a bank account" .)