Miscellaneous Revenue Act of 1980

[AI summary unavailable — showing source text] Miscellaneous Revenue Act of 1980 - Title I: Amendments Relating to Income Tax Generally - Amends the Internal Revenue Code to provide that in cases where married couples live apart at all times during the calendar year, do not file a joint return, report earned income which is community income under State or foreign community property laws, and do not transfer such income between themselves before the close of the calendar year, such community income shall be treated in the same manner as community income of a U.S. citizen who is married to a nonresident alien is treated for Federal income tax purposes (income is attributable to the individual spouse who earns it). Permits a taxpayer election to amortize, based on a period of not less than 60 months, start-up expenses incurred in the creation or acquisition of a new business. Expands the types of partial interests in real property which qualify for the income tax deduction for charitable contributions for conservation to include the entire interest of a donor in real property other than the rights to subsurface minerals. Makes permanent the income tax deduction for charitable contributions for conservation purposes. Qualifies reha…