What requirement is necessary for a share transfer during the crop year?

The correct requirement for a share transfer during the crop year is the written consent of the insurer. This is critical because crop insurance policies are tied to specific coverage levels and insured entities. The insurer must be kept informed of any changes to the ownership of the shares, as it can affect coverage and liability for any claims that may arise.

Such a measure ensures that all parties are aware of who is covered under the insurance policy and helps prevent any potential disputes regarding claims or liabilities. The insurer's consent serves as a formal acknowledgment of the change, maintaining the integrity of the insurance contract and ensuring compliance with regulatory requirements.

While other options might suggest less formal requirements, they do not align with the guidelines established to protect both the producer and the insurer, ensuring accountability in the insurance process.