ALBANY – Governor Pataki guaranteed top lawmakers this week that public subsidies for a proposed $2.2 billion Jets stadium on Manhattan’s far West Side would not exceed an established limit and that any construction overruns would be covered by the team.

Mr. Pataki made the pledges in a letter issued by one of his deputies on Monday to the speaker of the state Assembly, Sheldon Silver, and the chairman of the state Senate’s committee on finance, Owen Johnson. Mr. Silver and the majority leader of the Senate, Joseph Bruno, have postponed two votes by the Public Authorities Control Board on a $300 million subsidy for the stadium in the past week. That board has three voting members: Mr. Pataki’s designee, John Cape; Mr. Silver, and Mr. Bruno’s designee, Mr. Johnson.

One reason for the delays, Messrs. Bruno and Silver have said, is a series of questions related to the business plan for the 75,000-seat domed stadium, which would be built on a 13-acre platform over an operating rail yard owned by the Metropolitan Transportation Authority. The Jets recently won a $250 million bid to develop the site and estimate they will spend another $1.35 billion on the project. Mr. Pataki and Mayor Bloomberg have committed an additional $300 million each toward construction but face obstacles from within the New York City Council and from the two legislative leaders.

In the 11-page letter, the director the state division of the budget, Mr. Cape, writes that if the Jets can’t complete the stadium, the National Football League will force a sale of the team, as a way of securing its long-term broadcast contracts.

“The $600 million cap on public investment will be protected,” Mr. Cape said.

Messrs. Pataki and Bloomberg have pressed for approval of the subsidies before an early June report for the International Olympic Committee in advance of its July 6 vote on a host city. They have said New York City will be out of the running if the control board doesn’t vote for approval by then. Mr. Cape told The New York Sun yesterday that he will schedule another meeting of the control board next week, in advance of the board’s next scheduled meeting in June.

Despite Mr. Pataki’s pledges, Mr. Bruno said yesterday he continues to have questions about the public financing component of the stadium.

“I don’t ever remember a vote coming up for the PACB without the information we requested first on any subject,” the Senate majority leader, a Republican of Rensselaer, said. “It’s the first time ever that someone asked us to vote with as little information we have had. And they are just basic questions.”

A spokesman for Mr. Bruno, John McArdle, said later that the majority leader had read Mr. Cape’s letter, but that it had the effect of raising additional questions, which Mr. McArdle declined to enumerate.

Mr. Silver, a Democrat of Manhattan, said he, too, has open questions about the stadium and its relationship to the Olympic bid, including a new concern he has raised in recent days about an Olympic Village. Mr. Silver also said his staff estimates public financing for the proposed stadium will end up costing the city and state more than $1 billion.

“It’s the mayor who is saying ‘Give me the West Side stadium, I must have the West Side stadium,'” Mr. Silver said. “It’s his deputy who is saying that. It’s the governor who is echoing that. But the reality is the Olympic village is more important to the process than anything else. That stadium only houses a certain number of events. The Olympic village houses everybody. And nobody is moving at all on it.”

Asked yesterday about the controversial stadium project, the state attorney general, Eliot Spitzer, declined to offer an opinion. He said the matter is in the hands of the control board. Mr. Spitzer is the presumptive Democratic nominee for governor next year.

“What I’ve said on the stadium is that I support the Olympics and I will leave to the PACB, which is the authority that is supposed to make that decision, to evaluate all the documents, whether or not they think that is the best way to get the Olympics,” Mr. Spitzer said. “I will leave that to them. I’m not on the PACB and I think it is up to them to figure out what to do and how to promote that.”