This excerpt taken from the AVB 8-K filed Nov 16, 2007.
3.5. Counterparts. This Amendment may be executed in any number of counterparts, but all such counterparts shall together constitute but one and the same agreement. In making proof of this Amendment, it shall not be necessary to produce or account for more than one counterpart thereof signed by each of the parties hereto. Delivery of an executed counterpart of this Amendment by facsimile or other electronic transmission, with confirmation of receipt or record of transmission, shall be effective as delivery of a manually executed counterpart of this Amendment.