1 INTRODUCTION
2 DATA
2.1 PAUS
2.2 Broad Band Photometry
2.3 Spectroscopic Data
3 METHODOLOGY
3.1 BCNZ
3.2 New Calibration of l
3.3 Metrics
3.4 Weighted Photo $z$
3.5 Validating the G09 Field with KiDZ-COSMOS
4 PHOTO-$z$ CATALOGUES
4.1 Iterative vs. Spectroscopic Method
4.2 PAUS Wide Fields Photometric Redshifts Comparison
4.3 Colour Separation
4.4 Validation of the $p(z)$
5 CONCLUSIONS