I. Process Validation Regulatory Framework  
Underlying Regulatory Basis  
Core Principles  
Phase Division  
Batch Quantity Strategy  
Revalidation Mechanism  
II. Validation Plan Requirements  
Plan Approval and Change  
Harsh Condition Requirements  
Deviation Handling  
Simplified Validation Strategy  
III. Cleaning Validation and Residual Control  
Residual Limit Calculation Method  
β-lactam Antibiotics  
High Potency API (HPAPI)  
Genotoxic Impurities  
Oral Solid Dosage Forms  
Sterile/Injectable Products  
Cleaning Validation Continuous Confirmation  
IV. Co-line Production Risk Management  
Core Principles  
Co-line Access for High-Risk Products  
Contamination Pathway Assessment  
V. Data Record and Integrity  
Regulatory Basis  
Electronic Data and Audit Trail  
Paper Record Management  
Record Retention Period  
VI. Overall Regulatory Approach Comparison  
Regulatory Philosophy  
Corporate Compliance Strategy