Exhibit 5.1
CONSENT OF INDEPENDENT ACCOUNTANTS
The Sponsors and Trustee of
Defined Asset Funds--Municipal Investment Trust Fund--Multistate Series--B (Ohio
Trust)
We consent to the use in this Post-Effective Amendment No. 16 to Registration
Statement No. 2-87966 of our opinion dated September 7, 2000 appearing in the
Prospectus, which is part of such Registration Statement, and to the reference
to us under the heading "How The Fund Works--Auditors" in such Prospectus.
DELOITTE & TOUCHE LLP
New York, N.Y.
September 20, 2000
