The Department of Community Affairs is created statutorily at NJSA 52:27D-1 et seq. which can be found on the State Legislature website by clicking below:
NJSA 52:27D-1 et seq.

*NOTE: If clicking on the link to the NJ Administrative Code (in the Related Links box to the right), you must expand #5, place a checkmark next to the selection(s) you are looking for and check "full text of source" button.  Then click "search".