Since publication of the initial regulations, the Internal Revenue Service has maintained that real property was eligible for special use valuation only if a qualified heir received a present interest from the decedent. Two branches of the present interest test have emerged.
Harl, Neil E.
"The Present Interest Test for Purposes of Special Use Valuation,"
Agricultural Law Digest: Vol. 3
, Article 1.
Available at: http://lib.dr.iastate.edu/aglawdigest/vol3/iss1/1