National Aptitude Test NAT 2014 XII Registration Form Download. National Testing Service Pakistan (NTS) is an organization in Pakistan that administers academic performance evaluation tests. Now its offer NAT XII-2014 test. The last date of submission registration form is 21st Dec 2014. This form contain candidates information and bank deposit slips with 4 pages. Candidates can download this form on this web page and applied for Nat XII 2014 Test before 21 december 2014. Registration form is given as under.