The Nebraska Assignment of Oil and Gas Leases of All Interest in Undeveloped Leases — Short form is a legal document used in the state of Nebraska to transfer the rights and interests of an oil and gas lease from one party to another. This assignment allows the assignor (the original leaseholder) to relinquish all their interest in the undeveloped leases to the assignee (the new leaseholder). Keywords: Nebraska, Assignment of Oil and Gas Leases, Undeveloped Leases, Short form, rights and interests, oil and gas lease, leaseholder, assignor, assignee. Types of Nebraska Assignment of Oil and Gas Leases of All Interest in Undeveloped Leases — Short form: 1. Partial Assignment: This type of assignment involves transferring only a portion of the rights and interests in undeveloped leases. The assignor retains partial ownership, while the assignee gains a corresponding portion of the rights. 2. Complete Assignment: A complete assignment refers to the transfer of all rights and interests in the undeveloped leases from the assignor to the assignee. The assignor relinquishes all ownership, and the assignee assumes complete control over the lease. 3. Temporary Assignment: In some cases, parties may opt for a temporary assignment of oil and gas leases. This allows the assignee to hold the rights and interests in a specific period, often to explore or develop the resources, after which the lease may revert to the assignor. 4. Postponed Assignment: A postponed assignment occurs when the transfer of rights and interests in the undeveloped lease is delayed until certain conditions are met. This may happen if there are legal or financial considerations that need to be resolved before finalizing the assignment. Note: It is important to consult with legal professionals or experts in oil and gas leases in Nebraska to ensure compliance with state laws and regulations regarding assignments of oil and gas leases.