Sony PlayStation 2 Moderation Guide

From Redump Wiki

Ringcodes

In general, the rule for adding a new line to the ringcodes field is that this should only be done when a new mastering code or mastering SID is present. For PS2, however, there are two exceptions to that rule:

Australia / Europe

Australian releases often share the same mastering code and SID as their European counterparts, but have a unique pattern for mould SID and toolstamp which differentiates them. Where an Australian disc has a toolstamp A00, B00, C00 etc. and/or a mould SID of the pattern IFPI 65xx (compared to the usual IFPI 94xx for EU releases), then this should be added as a separate line.

See http://redump.org/disc/9639/ for an example

Promo disc matching retail

Many PS2 discs marked as "Promo Only, Not For Resale" will match the retail release for that title. However they have a set of label side ringcodes which are only visible on the Promo release. In these cases, a separate line should be added to differentiate the ringcode for the Promo as compared to the retail release

See http://redump.org/disc/5243/ for an example

Serials

For PS1/2, the internal serials are standardized with hyphen (example: SLUS-01234)