Priv. Ltr. Rul. 201031009 (Aug. 6, 2010)

(married taxpayers filing jointly were engaged in real property business as defined by I.R.C. Sec. 469 and were qualified to elect to treat all interests in rental real estate as single rental real estate activity, but inadvertently filed joint return without required statement; taxpayers granted 60-day extension of time to make election to treat all rental real estate activities as single rental real estate activity).