Spectra of the sources selected as NLAGN at z > 6. In each plot, we highlight in the box the main spectral features that led to the identification as a NLAGN (showing both the 1D and 2D spectrum). CEERS-613, CEERS-1019, CEERS-23 and CEERS-496 are marked only as tentative selections. The first because of the dubious He II λ1640 line in the 2D spectrum, while the other because of their dubious position in the diagnostic diagrams reported in Sect. 3