We give you an automatic 6-month extension to file your return. This gives you until October 15 to file without penalties.As a result, affected individuals and businesses will have until June 17, 2024, to file returns and pay any taxes that were originally due during this period. This relief extends the filing deadline to June 17, 2024, providing muchneeded breathing room for those affected. EFile it: Individual tax filers, regardless of income, can use IRS Free File to electronically request an automatic taxfiling extension. Individuals will need to complete and file Form 4868 to request an extension. Affected taxpayers in certain counties will have until June 17, 2024, to file returns and pay any taxes that were originally due during this period. Monday, June 17 is the extended deadline for 2023 tax returns for all residents and businesses in the county. The new deadline to submit tax returns is now June 17, 2024. Federal and state tax deadlines have been extended until June 17 for San Diego County residents after historic flooding in January.