But it will not carry out the full recount demanded by opposition candidate Henrique Capriles, who lost narrowly to President Nicolas Maduro on 14 April.
The CNE said the audit would start on 6 May and should be completed by 4 June.
Hours after the poll close on 14 April, the authorities announced the victory of Nicolas Maduro, the handpicked successor of the late President Hugo Chavez.
Polls results showed a country equally split between the "Chavista" government and opposition.
But the margin of less than two percentage points was promptly contested by Mr. Capriles.
Voice of Russia, BBC