The party's advisory council announced Bashir as NCP's candidate after a meeting held in Khartoum, the official SUNA news agency reported last week.
The council said it has endorsed Bashir for a third term after long consultations among the party's leadership, even though the country's constitution allows for only two five-year terms.
The veteran leader has been in power since a 1989 military coup but has only faced contested elections since the new constitution went into effect in 2010.
Bashir, 74-year-old, first elected to office in 2010 and had previously said he would step down in 2020 at the end of his 2nd term in office.
He appointed a top aide, Bakri Hassan Saleh, as prime minister last year, reinstating a post he abolished after coming to power in 1989.
Saleh was among the officers who launched the bloodless coup almost 30 years ago, and the last member of the group to remain at Bashir's side.
Source: News Agencies