Attribution contention occurs at the ASIN level. This means if you promote the same ASINs across multiple orders your attribution tags with the same promoted ASINs will be eligible with each other for attribution.

(A) Attribution tags are created within the self-service Amazon Attribution console; tags are placed on ads, and Amazon conversions are reported[...]

(A) Name your order. (B) Copy your attribution tag to append on your ad as the click-through URL. (C) Generate[...]

(A) True (B) False[...]