Achievements and ranks
On achievements and ranks, the expiration date will get displayed at bottom:
Requirements (points awards, deducts, steps and rank requirements)
On requirements, the expiration date will get displayed following the requirement label:
In addition, on the User Earnings block (shortcode and widget too) the expiration date will appear in the column “Date”:
Note: The expiration date will appear in the user earnings menu at the admin area too (and in the user profile).