There are three sections

A General Monochrome (free subject)
B General Color (free subject)
C Nature

Monochrome definition

A monochrome image is defined as having varying shades of no more than one color (various shades of that color from very light to very dark) but it may be any single color. Multi-toned images (various shades of two or more colors) and greyscale images with added an accent color are not acceptable in Monochrome Class sections and must be entered in Color Class sections.

FIAP document 2014/317 E

I hereby expressly agree to the FIAP document 2014/317E. Conditions for application and regulations for organization of international prhotographic events and especially to its chapter II “regulations for international photographic events under FIAP patronage” dealing under section II.2 with the FIAP participation rules and the red list