Complex sentence: This specification requires a manufacturer to establish a process flow baseline, and if sufficient quality and reliability data is available, the manufacturer through the QM program and the manufacturer's review system, may modify, substitute, or delete tests.
Split into simpler sentences: This specification requires a manufacturer to establish a process flow baseline. If sufficient quality and reliability data is available, the manufacturer, through the QM program and the manufacturer's review system, may modify, substitute, or delete tests.