definiens: means the period beg ~ i~~ning on the January 1, 2U1 ~ and ending on March 31, 2015 . At airy gtime within thirty t30 ) days after the closing ofan [COMPANY] Trade Sale, [COMPANY] may terminate the ? 015 Target Nominatiol~ Period uponIon - rive 4S days ' prior written notice to [COMPANY] . The 2015 Target Nomination Periodshall be a Target Nomination for all purposes under this Agreement other than Section2.4(a ), which shall i ~ ot apply to the 20l 5 Target I~'oinination Period . Foy- clarity, t11e 2015Target Nomination Period sl ~ lall be followed by a Tail Period . No later than one ~l j~~lo ~ ith prior to the expiration of the 201 ~ Target Nomination Period . Arsazlis shall notifytadimab in writing of those Research Programs that [COMPANY] elects ( in its sole discretion)to pursue during the Tail Period ( or any portion theT•eo~ and [COMPANY] will provide [COMPANY] ~ Witl~ a schedule of the FTC usage required by [COMPANY] to complete such ResearchPrograms . Durinb the 201 ~ Target Nomination Period and the Tail Period Adin ~ ab willdevote the number of FTEs required to complete such Research Probrams, however_Adiznab 's aggregate FTE commitment during the Tail Period shall not exceed four__FTEs per year• over such period taken as a whole unless agreed by the Parties in writing