UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
Notice of Effectiveness
Effectiveness Date:	April 20, 2007 4:00 P.M.

Form:	S-3
CIK: 0001037540 Company Name: BOSTON PROPERTIES INC File Number: 333-141257
CIK: 0001043121 Company Name: BOSTON PROPERTIES LTD PARTNERSHIP File Number: 333-141257-01