Tax Extension Deadline 2025 For Business 2025. For the 2025 tax year, filed in 2025, llcs filing as sole proprietors must submit form 1040 by april 15 without an extension. You can enjoy the time till september 16, 2025, to.
The 2025 deadline to file individual. According to dembla, the itr filing deadline for those liable for income tax audits is october 31, 2025.