ISO 2859-1 - 9.3.3.2 Switching score - Sampling Plans and PPM

Hi all,

I has been reading ISO 2859-1 because I need improve sampling process on my work, Just I am confuse on 9.3.3.2 Switching score, I really couldn't understand this part, could someone help me?

Is correct select AQL value 0.1 if we ask to our suppliers 1200 PPM?

Thank You
Aracely