What percentage of the value of land may an executor elect to exclude from the gross estate? Up to 20% of the value of land subject to a qualified conservation easement meeting certain A. requirements and subject to a dollar cap of $500,000 Up to 20% of the value of land subject to a qualified conservation easement meeting certain B. requirements and subject to a dollar cap of $1,000,000 Lp to 40% of the value of land subject to a qualified conservation easement meeting certain requirements and subject to a dollar cap of $500,000 Up to 40% of the value of land subject to a qualified conservation easement meeting certain requirements and subject to a dollar cap of $1,000,000