"Applicable date", the date upon which the 10-year period that the estate shall be liable for assessment under paragraph (4) begins; provided, however, that for qualifying agricultural and associated land, the applicable date shall be the date of death of the decedent; and provided further, that for qualifying noncommitted land, the applicable date shall be 2 years from the date of death of the decedent.
"Associated land", land under the same ownership as and contiguous to qualifying agricultural land and which, as of the date of death of the decedent, is not committed to residential, industrial or commercial use; provided, however, that land shall be deemed contiguous if it is separated from other land under the same ownership only by a public or private way or waterway; provided further, that land under the same ownership shall be deemed contiguous if it is connected to other land under the same ownership by an easement for water supply; and provided further, that any such land in excess of 100 per cent of the acreage of qualifying agricultural land shall be deemed qualifying noncommitted land.
"Closely-held agricultural land", qualifying agricultural and associated land and qualifying noncommitted land for which an election is made under this subsection.
"Qualifying agricultural land", land which meets the definition of forest land under chapter 61, land actively devoted to agricultural, horticultural or agricultural and horticultural uses under chapter 61A and recreational land under chapter 61B that is also used for farming or agriculture as defined in section 1A of chapter 128 and has been devoted to any such use for not less than 2 of the tax years immediately preceding the death of the decedent; provided, however, that the land need not be classified by municipal assessors as forest land under chapter 61, land actively devoted to agricultural or horticultural or agricultural and horticultural uses under said chapter 61A or recreational land under said chapter 61B to qualify for valuation as closely-held agricultural land under this subsection.
"Qualifying noncommitted land", land that is not qualifying agricultural land and is not committed to residential, industrial or commercial use, including associated land in excess of 100 per cent of the acreage of qualifying agricultural land.
"Savings", the difference between the estate taxes paid as a result of an election made under this subsection and the estate taxes that would have otherwise been paid had the election not been made.
Property restricted by an agricultural preservation restriction as defined in section 31 of chapter 184 that is signed by the commissioner of agriculture shall be deemed to be restricted by a nondevelopment covenant if the restriction: (i) is approved by the commissioner of agriculture; (ii) is for the purposes of maintaining the land in agricultural use; (iii) precludes non-agricultural development of the land; (iv) is recorded at the registry of deeds in the counties or districts in which the property is located; and (v) does not expire within 10 years of the applicable date.
The assessment shall be equal to 100 per cent of the savings if such date is not more than 1 year after the applicable date; 90 per cent of the savings if such date is more than 1 year but not more than 2 years after the applicable date; 80 per cent of the savings if such date is more than 2 years but not more than 3 years after the applicable date; 70 per cent of the savings if such date is more than 3 years but not more than 4 years after the applicable date; 60 per cent of the savings if such date is more than 4 years but not more than 5 years after the applicable date; 50 per cent of the savings if such date is more than 5 years but not more than 6 years after the applicable date; 40 per cent of the savings if such date is more than 6 years but not more than 7 years after the applicable date; 30 per cent of the savings if such date is more than 7 years but not more than 8 years after the applicable date; 20 per cent of the savings if such date is more than 8 years but not more than 9 years after the applicable date; 10 per cent of the savings if such date is more than 9 years but not more than 10 years after the applicable date. No assessment shall be due if such date is more than 10 years from the applicable date.
Such assessment shall also include interest calculated at a simple interest rate of 5 per cent per annum on the savings from the applicable date.
There shall be an additional assessment equal to 30 per cent of the savings if the date of sale for other use or the last date of use while qualified as closely-held agricultural land occurs not more than 1 year of the applicable date and 15 per cent of the savings if such date occurs more than 1 year but not more than 2 years after the applicable date.
Mass. Gen. Laws ch. 65C, § 5