What crucial setting affects the payment method applied to a specific TikTok Ad Account within the TikTok Business Center when multiple payment methods are available?

The crucial setting that affects the payment method applied to a specific TikTok Ad Account within the TikTok Business Center is the 'Payment Settings' specifically *assignedto each individual Ad Account. While multiple payment methods can be added to the Business Center, you must *designatea preferred payment method within the settings of *eachAd Account. If no payment method is specifically assigned to an Ad Account, it may default to a primary payment method configured at the Business Center level, or the ads may not run at all. To ensure the correct payment method is used, navigate to the 'Ad Accounts' section in the Business Center, select the specific Ad Account, and then go to 'Payment Settings' to choose the desired payment method from the available options. This granular control allows for flexible budgeting and expense tracking across different ad accounts.