The senate has rejected two of the non-career ambassadors nominated by President Muhammadu Buhari.
The rejected nominees are Sylvanus Nsofor (Imo) and Jacob Daudu (Ondo).
The upper legislative chamber explained that they were not confirmed based on the recommendation of the foreign affairs committee.
However, the appointment of 45 ambassadors were confirmed.
The senate had initially rejected the ambassadorial list in November, but the Buhari administration sent a revised list on January 12.