The Disaster Related Extension of Deadlines Act modifies the Internal Revenue Code to provide crucial relief for taxpayers affected by disasters. Specifically, it ensures that any period during which tax filing deadlines are postponed due to a disaster will also extend the statutory limitation period for claiming a tax credit or refund , preventing taxpayers from inadvertently missing out on refunds. Furthermore, the bill clarifies that the Internal Revenue Service (IRS) must take these disaster-related postponements into account when determining the "last date prescribed for payment" before issuing collection notices . This prevents the IRS from sending premature collection notices to taxpayers whose payment deadlines have been extended due to qualifying disaster events, significant fires, or terroristic or military actions. These changes apply to claims filed and notices issued after the bill's enactment, providing more consistent and fair treatment for taxpayers facing extraordinary circumstances.