New York City's Balanced Budget, for Now But the question is whether this budget rests on stable ground or will soon need to be revised because of overly optimistic revenue projections. It assumes that the city will receive $635 million from sales of up to 2,000 medallions for new yellow taxis that are wheelchair accessible (those yellow medallions were part of a larger plan to expand taxi service in the city's outer boroughs). The plan has been temporarily stalled in court over the question of state control over city taxi service. City officials say the Council and state lawmakers can get around that problem with a separate agreement on the 2,000 new wheelchair-accessible yellow cabs, which fleet owners want. Mr. Bloomberg said sales of medallions could bring in almost $1.5 billion in the next three years. The budget also depends on other one-time revenue items: $139 million from a settlement with ING Bank and almost $500 million from a settlement over the CityTime payroll scandal. These items, plus $1 billion to be taken out of a retiree health benefit trust fund, help this budget but leave a $2.5 billion gap for next year. The city comptroller and the city's Independent Budget Office have warned that city revenues are dependent on steadily improving national and global economies and are tied, in particular, to tourism and the financial industry. If Mayor Bloomberg and city officials are forced to trim this budget in the next few months, it will require making choices to protect the important services and institutions that have been spared, at least for now.