Final answer:
Plats must be approved by the local planning commission, include accurate measurements and dimensions, and be signed by a licensed surveyor to have any legal effect. Therefore, all of the above requirements are necessary for a plat to be legally effective.
Step-by-step explanation:
To have any legal effect, plats drawn from the lot, block, and subdivision method must meet several criteria. These criteria are designed to ensure that the plat is accurate, legal, and in accordance with local regulations. Specifically, for a plat to be legally effective, it must:
- Be approved by the local planning commission, which is responsible for overseeing and guiding development within their jurisdiction.
- Include accurate measurements and dimensions to ensure that property boundaries are correctly established and recorded.
- Be signed by a licensed surveyor who has the professional authority and responsibility to attest to the accuracy of the plat.
Thus, the answer to the student's question is 4) All of the above. Each of these requirements is crucial for establishing legal property descriptions and for the orderly development and sale of land.