The Autoridad Independiente de Responsabilidad Fiscal, or Airef, has issued a warning about the impact of budget extensions on economic growth. Further information on this topic is available from El País, including an article that discusses the government's failure to meet the constitutional deadline for presenting budgets. Readers can find more details on the government's budget situation and the Airef's warning by visiting the El País website, which provides additional context and information on the issue.