How can I update my specification to include DOE 2016 compliant product?

Frequently Asked Questions Distribution Transformers 

Remove efficiency references to TP1, TP2, TP3, NEMA Premium or CSL (TP1, TP2 and TP3 will be discontinued by NEMA).

Replace these efficiency requirements with: Efficiency levels must meet the new DOE 10 CFR Part 429 and 431 levels as of January 1st, 2016.