- CHANGES TO ARCHITECT/ENGINEER AGREEMENT. 12.1. The State may increase, decrease, or alter the work or materials, or it may otherwise modify the specifications or conditions of the project to be furnished hereunder, and any changes occasioned thereby, including any changes in amounts to be paid hereunder, shall be in the form of a change order which shall be agreed to and approved in writing by the Commissioner of the Department of Buildings and General Services, and which shall become a part of this Contract. Verbal instructions, from any source, shall not be valid. No claim or defense may be made under the Contract with respect to such changes unless agreed to in writing.
