The amendments have been signed off by the Secretary of the Commonwealth and the 2014 Massachusetts Electric Code in effective as of January 1st 2014.

Here is a link to 237 CMR 12... http://www.mass.gov/eopss/docs/dfs/osfm/cmr/cmr-secured/527012.pdf

Official copy's can be purchased and mailed to you from the State Book Store here...
http://www.sec.state.ma.us/spr/sprcat/agencies/237.htm