A control strategy can include, but is not limited to, the following:

1 CONTROL OF INPUT MATERIAL ATTRIBUTES based on an understanding of their impact on processability or product quality; 2 Product specification(s); 3 Controls for unit operations that have an impact on downstream processing or product quality 4 In-process or real-time release testing in lieu of end-product testing 5 A monitoring program for verifying multivariate prediction models.