Up to 30 days, if longer passes you can submit a ticket. Save the PGCR link to the game so you don't need to hunt for it later [quote]30 days must pass before an investigation will begin. Please check your Collections>Flair>General section for the emblem before sending in a ticket. If submitting a ticket, confirm that all information is accurate, answered and that 30 days have passed. Failure to do so may result in the automatic closure of the ticket.[/quote] https://help.bungie.net/hc/en-us/articles/360049498731-Contact-Form-Missing-Destiny-2-Contest-and-Purchased-Emblems