money paid for a special
purpose describes funds advanced to a recipient on terms that they are to be used only for a defined purpose (for example, paying identified creditors, completing a transaction, or holding client money). In practice, the recipient is treated as holding the money on
trust or
fiduciary terms: there is a primary trust to apply the money for the stated purpose; if that purpose fails, a secondary, resulting trust arises in favour of the payer so the funds must be returned. This case-law doctrine (commonly associated with Barclays Bank v Quistclose Investments and later authorities) can ring-fence the money from the recipient’s general assets, including on insolvency, and supports tracing and proprietary claims.
Typical contexts include escrow and stakeholder arrangements, conditional loans, deposits, completion monies and client accounts. Key indicators are segregation of funds, clear restrictions on use and an intention that unused funds revert to the payer.
Usage is broadly consistent across England and Wales and Northern Ireland. Irish courts have applied similar reasoning. In Scotland, comparable results are reached under trust principles where an intention to create a purpose trust over segregated funds is shown, though the doctrinal analysis may differ.