Exhibit 99.08



  This Subscription Certificate will be null and void if not received by the
   Subscription Agent by 5:00 p.m., Eastern Standard Time on March 19, 2001

                            Subscription Certificate
                        Adelphia Business Solutions, Inc.

This Subscription Certificate is not transferable.

    The terms and conditions of the rights offering are set forth in the
prospectus supplement relating to shares of Class B common stock, $.01 par value
per share, of Adelphia Business Solutions, Inc. (the "Company") dated February
20, 2001 and the related prospectus dated October 25, 1999 (together, the
"Prospectus") and are incorporated herein by reference. Copies of the Prospectus
are available upon request from the Company and American Stock Transfer & Trust
Company (the "Subscription Agent").

                       Subscription Price: $7.28 per share

    (The number of rights you are entitled to are listed on the upper right hand
corner of this certificate. You may under subscribe as detailed in the
Prospectus).

    The rights represented by this Subscription Certificate, in whole or in
part, may be exercised by duly completing Sections 1 and 2 on the reverse side
of this certificate. Before exercising rights, rights holders are urged to read
carefully and in its entirety the Prospectus, copies of which are available from
the Company and the Subscription Agent.

    IMPORTANT--Complete the appropriate Sections on the reverse side of this
certificate, and sign on reverse side. Subject to the provisions of the
Prospectus, if the instructions of the registered holder hereof are insufficient
to delineate the proper action to be taken with respect to all of the rights
evidenced hereby, such action as is clearly delineated in such holder's
instructions will be taken.

    The registered holder of rights whose name is set forth herein is entitled
to subscribe for one share of Class A common stock of the Company at a
subscription price of $7.28 per share (the "Subscription Price") for each whole
right evidenced hereby under the terms and subject to the conditions set forth
in the Prospectus. Payment of the full Subscription Price for all shares
subscribed for pursuant to the exercise of rights must accompany this properly
completed and duly executed Subscription Certificate, payable in United States
currency by personal check, certified or cashier's check drawn on a bank located
in the United States or by U.S. postal money order, payable to "American Stock
Transfer & Trust Company, as Subscription Agent," or by wire transfer of funds.

  Dated: February 20, 2001    ADELPHIA BUSINESS SOLUTIONS, INC.


                               /s/   James P. Rigas
                              BY:
                              James P. Rigas, Chief Executive officer

                               /s/   Michael J. Rigas
                              BY:
                              Michael J. Rigas, Secretary

COUNTERSIGNED:



AMERICAN STOCK TRANSFER & TRUST COMPANY

     /s/   George Karfunkel

BY:

    Authorized Officer

    INSTRUCTIONS: To exercise all or part of the rights evidenced by this
Subscription Certificate, please complete Section 1 and sign below. In order to
have the Subscription Agent deliver shares issued upon the exercise of rights to
another person or delivered to an address other than the one listed on the face
of this Subscription Certificate, please complete Section 2, including
signature, below.

    Any exercise of rights evidenced hereby is irrevocable.

    SECTION 1--EXERCISE AND SUBSCRIPTION: The undersigned hereby exercises
rights to subscribe for shares as indicated below, on the terms and subject to
the conditions specified in the Prospectus, receipt of which is hereby
acknowledged.

    Please print all information clearly and legibly.

    I wish to purchase                     shares of Class B common stock

                  (Number of shares--whole number only)

    upon exercise of my rights at $7.28 per share = $                .

    |_| Check or U.S. postal money order payable to American Stock Transfer &
    Trust Company, as Subscription Agent.

    |_| Wire transfer directly to the escrow account maintained by American
      Stock Transfer & Trust Company, as Subscription Agent, at Chase Manhattan
      Bank, 55 Water Street, New York, New York 10004: ABA #021-000021, Account
      #323-836933.

    SECTION 2--SPECIAL INSTRUCTIONS:

    |_| check here for special delivery instructions. The Subscription Agent is
    hereby authorized to deliver Certificates for the shares subscribed for to
    the undersigned at the address below.

Name:
Address:
Dated:                  , 2001


                          SIGNATURE(S) OF HOLDER(S)
           (exactly as it appears on the face of this Certificate)






                          Guarantee of Signature(s)
           (if you specified special delivery, instructions above)


            Authorized Signature:

            Name:

            Title:

            Firm:

            Address:

            Telephone:

            Dated:                   , 2001