Detailed Answer
CPARS retention and relevance:
**CPARS Retention:**
- Evaluations kept for 6 years
- Clock starts from completion date
- Both positive and negative ratings retained
**Past Performance Relevance Windows:**
- Most RFPs: 3-5 years
- Some allow older relevant experience
- Recency is weighted in evaluation
**What Gets Evaluated:**
- Quality of service/product
- Schedule adherence
- Cost control (for cost-type contracts)
- Business relations
- Management of key personnel
- Small business subcontracting (if applicable)
**Maintaining Good Ratings:**
- Address issues proactively
- Communicate with CORs regularly
- Request contractor response if unfair rating