In a Type Approval bulletin published last week, EMVCo announced a new validity period for EMV contact level 2 products.
All devices tested with 4.3f test plan version will now have a validity of 4 years. The LoA will be issued with this new validity period. Already approved products, with 4.3f version, will also receive a new LoA, mentioning the new validity period.
Find more information on EMVCo website.