PARIS - Pressure is mounting for euro zone officials to prepare a bailout for Spain's banks, with the possibility of a discussion among European finance officials over the weekend. But by early evening Friday in Europe, officials in Brussels, Berlin and elsewhere were declining to confirm or fully deny news reports that a conference call had been scheduled for Saturday. And the Spanish government, meanwhile, said it would not formally request a bailout until it receives bank audit reports beginning next week from the International Monetary Fund and other organizations. The flurry of activity came the day after Spain's credit rating was cut by Fitch Ratings, amid concerns for the government's finances and problems in the banking sector. And euro zone leaders are thought to be eager to have a solution in place for Spain, ahead of the June 17 elections in Greece that could create further disarray for the currency union. Spain's borrowing costs rose on Friday, with the yield, or interest rate on its 10-year bond rising 0.15 percent, to 6.18 percent. Anything above 6 percent is seen as a potentially unsustainable level for Spain. The Spanish prime minister, Mariano Rajoy, has been talking with other European leaders this week, hoping to arrange an injection of capital into the banking sector without the strings that have come with the kind of full bailouts received by the governments of Ireland, Portugal and Greece. Mr. Rajoy said Thursday that he would wait to see the results of bank audits before deciding on action, and on Friday his deputy prime minister Soraya Sáenz de Santamaría, reiterated Spain's desire to await those audits. While some European governments, including the French, have expressed support for Mr. Rajoy's position, the German government has been cool, proposing instead that Spain take advantage of existing mechanisms requiring that aid be disbursed to the banks by the Spanish government. The European Central Bank's president, Mario Draghi, also made clear this week he was not going to intervene. Currently, the International Monetary Fund, as well as two consulting firms, are studying the Spanish financial sector's capital needs, with analysts estimates running from 40 billion to 100 billion euros. The I.M.F. could offer the results of its study as early as Monday. The Economy Ministry said Friday in Madrid that the one of the private-sector audits would be completed this month and the other by the end of July. Two people close to the talks said euro zone officials were trying frantically to ramp up pressure on Madrid to seek outside help "pre-emptively," without waiting for the audit results, so as to remove one major area of stress and uncertainty from the markets in case the Greek election June 17 "goes sideways." "The pressure is coming from the member states," said one of the people, who has not authorized to speak publicly. "This doesn't mean at all that you get agreement on all the details" right away, the person said, but it would allow the Eurogroup to "get a framework around the Spanish situation" and "free up human capital" to deal with any fallout from the June 17 vote in Greece. It's really designed to manage the Greece situation and try to tie up as many loose ends as possible. The euro zone's bailout fund, the European Financial Stability Facility, was empowered last year to make loans to governments for the specific purpose of recapitalizing banks, with conditions focused largely on the financial sector.