"In fact, the Republic of Kosovo (Z6) has been added to the DXCC List
of current entities, increasing the total number of current DXCC
entities to 340. The addition of Kosovo raises to 331 the required
number of current entities confirmed to qualify for DXCC Honor Roll;
Top of Honor Roll is 340. DXCC award accounts are being tabulated to
reflect the change.

This change qualifies as an "event," effective on January 21, 2018,
at 0000 UTC. Nothing is retroactive."

January 21, 2018 and after only count. 
W6RD