The IRS will conduct its annual Memorial Day systems maintenance beginning Friday, May 26, at 6 p.m. EDT and ending on Tuesday, May 30, at 5 a.m. EDT.
The E-Services Transcript Delivery System, TIN Matching, e-file and Affordable Care Act applications will not be available during this time.
E-Services also will be unavailable from Thursday, June 15, at 6 p.m. through Monday, June 19, at 6 a.m. as it moves to a different platform as part of a technology upgrade. (See “IRS targets summer for rollout for e-Services upgrade.”) All e-Services applications – including e-file and ACA applications, Transcript Delivery System and TIN Matching – will be offline during this time.
Applications will be available starting Monday, June 19.
The Internal Revenue Service will begin accepting e-filed tax returns that contain dependents who have already been claimed on another taxpayer's return.