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PACT and TfS: ​ Navigating Methodological and Technical Differences

"Navigating Methodological and Technical Differences between PACT and TfS" is designed for companies on both sides of a PCF exchange.

  • If you're a PCF builder calculating under the TfS Guideline and want to ensure PACT alignment, the guide tells you exactly where the two approaches diverge, what action is needed, and where flexibility exists.  
  • If you're a PCF recipient assessing a supplier's TfS-calculated PCF, it gives you the right questions to ask, the formulas to apply, and the criteria to interpret differences confidently.

Covering ten areas across calculation methodology, data integrity, verification, and the data model, the guide translates real differences into practical solutions, conversion formulas, practical thresholds, and clear supplier questions, all in one place.

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Publication date and version
May 27, 2026,
Initiative
Boundary
Membership
Industry
Specificity
Product
Alignment | last updated
Overall approach
Calculation guidance
Data integrity
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