7 Pa. Code § 136.5
(c) If the land is in agricultural use, the application shall include documentation sufficient to establish that the land to be certified has been devoted to agricultural use for 3 years prior to the installation of lines and up until the present time. The documentation may include, but is not limited to:
(d) If the land is in cemetery use, the application shall include documentation sufficient to establish that the land to be certified has been devoted to cemetery use for 3 years prior to the installation of lines and up until the present time. The documentation may include but is not limited to:
(e) If the agricultural land is not 10 acres in area, the application shall include documentation sufficient to establish the fact. The documentation may include but is not limited to:
(f) If the agricultural land is less than 10 acres in area but produces anticipated yearly gross income of at least $2,000, the application shall include documentation sufficient to establish the fact. The documentation may include, but is not limited to: