The Disaster Related Extension of Deadlines Act aims to provide crucial tax relief to individuals and businesses impacted by disasters. It amends the Internal Revenue Code to ensure that when tax filing deadlines are postponed due to a disaster, the corresponding period for claiming a tax credit or refund is also extended. This prevents taxpayers from losing their right to a refund or credit simply because a disaster delayed their ability to file. Additionally, the bill addresses the timing of tax collection notices. It mandates that the Internal Revenue Service (IRS) must take into account any disaster-related postponements of payment deadlines before sending out collection notices, thereby protecting taxpayers from receiving premature demands during or after a disaster.