Swiss challenge

A Swiss challenge is a form of public procurement in some (usually lesser developed) jurisdictions which requires a public authority (usually an agency of government) which has received an unsolicited bid for a public project (such as a port, road or railway) or services to be provided to government, to publish the bid and invite third parties to match or exceed it.

It's an offer made by the original proponent to the government ensuring his process to be best by his initiative (as a result of his own innovative approach) or on the demand of the government to perform certain task.

Some Swiss challenges also allow the entity which submitted the unsolicited bid itself then to match or better the best bid which comes out of the Swiss challenge process.

It is a form of regulating public procurement.