C) Following information must be added to all textures and texture previews:
II) The original artist of the set when bought from someone else. Always credit the previous owner of the set/texture.
I) All auction, buying, and sales threads should state which forms of payment are being accepted/offered, for example "TC only" or "high-value items".
Also note that posts inquiring about the preferred payment option which aren't offers are treated as useless, and punished accordingly. If form of payment wasn't stated clearly, it should be assumed that both items and TC are accepted.