The phrase "an open tender" is correct and usable in written English.
It can be used in contexts related to procurement or bidding processes where a tender is publicly available for submission.
Example: "The government has announced an open tender for the construction of the new bridge, inviting bids from all qualified contractors."
Alternatives: "a public tender" or "a competitive tender".
After it threatened to veto a Cayman port project which had been awarded to a Chinese company without an open tender, bidding was restarted.
Mr Basescu attacked the government for giving a road contract to a French firm without an open tender, and wants it reviewed.
Mr Javid said the Government wanted to increase public procurement contents to British steelmakers but said this would have to be done through an open tender process.
There ought to be an open tender, so people will believe it is honest, and you can be clean as a politician,'" Mr. Jekshenkulov said.
Under that agreement, an international investment bank was to hold an open tender in which foreign investors would bid for the stake, a Gazprom spokeswoman said.
However, the report reserved its strongest criticism for the handling of an open tender process that began under the Abbott government.
The GP Patient Survey was commissioned by the UK Department of Health following an open tendering process.
In analysing these costs, as far as possible reference should be made to the rates and parameters that would have applied to comparable public service obligations in the context of a tendering procedure pursuant to Article 5(3) or an open tendering procedure pursuant to Directives 2004/17/EC or 2004/18/EC.
We are legally required to go through an open-tender process and take forward the strongest bids to make sure we secure both the best possible service and value for money for the licence fee payer".
Privately held firms may be even more vulnerable.Although Germany has never seen a successful hostile takeover structured as an open-tender offer the form Vodafone's bid will take it is relatively easy for predators to build hostile stakes on the sly.
Hospitals were recruited via a national open tender.
