You must not:
- place Google-served ads on a domain that uses
ads.txtwhere you are not included as an authorized seller of the inventory in the
For syndication partners, Parents must ensure Children promptly add an
ads.txt file to Child domains with Parents as authorized sellers of Child Inventory.
Tips for understanding authorized inventory
- Publishers should use
ads.txtfiles on their domains, and must ensure that they are included as authorized sellers of that inventory. For more information, refer to declare who is authorized to sell your inventory with ads.txt.
ads.txtfile can help buyers identify counterfeit inventory and help you receive more advertiser spend that might have otherwise gone toward that counterfeit inventory.