You can instruct your bank to allow a third party to remove money from your account.

你可以通知银行，允许第三方从你的账户取款。

《柯林斯英汉双解大词典》

You should receive account statements from a third-party custodian.

你应该从第三方托管人那里收到账单。

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Developed by RIM, BlackBerry id (BBID) provides users with a single user account and credentials to access RIM services and third party services.

由RIM开发的黑莓ID (BBID)为用户提供一个单独的用户帐户和使用RIM服务及第三方服务的证书。

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The hackers then used those login details to forward all mail coming into the account to a third party, or in some cases gathered information about contacts to use in other phishing scams.

FORBES: Here's The Fake Gmail Site Chinese Hackers Used To Steal U.S., Activist Data

Each operating company maintained bank accounts with commercial third-party banks, including a main depository account and a disbursement account.

FORBES: Sysco Journal Entries Not Respected by Massachusetts Tax Board

Thousands of Twitter users have received emails warning their account has been compromised by a third party.

BBC: Twitter accessed on a computer