In either case, there are circumstances when a family that is receiving FEPS may move, but only after receiving State approval through a FEPS provider. The family cannot pay the non-PA portion of the rent due to changes in family composition, rent increases, family income, or third party contributions.
In general, the IRS says you must file the form within three years from the date you filed your original return or with two years from the date you paid the tax, whichever is later. Filing an amended business tax return should be done as soon as you discover the error:
The IRS limits the amount of time you have to file an amended tax return. For most taxpayers, it must be done within three years of the original filing deadline or within two years of actually paying the tax for that year.