A South Dakota Assignment of Overriding Royalty Interest (No Proportionate Reduction) is a legal document that transfers the ownership or assignment of an overriding royalty interest (ORRIS) in an oil or gas lease located in South Dakota. This type of assignment ensures that the recipient of the ORRIS receives a specific and fixed percentage of the gross proceeds from the production without any proportionate reduction. Keywords: South Dakota, Assignment of Overriding Royalty Interest, No Proportionate Reduction, oil, gas lease, ORRIS, gross proceeds, production. In South Dakota, there are various types of Assignment of Overriding Royalty Interest (No Proportionate Reduction) that may be encountered: 1. Standard South Dakota Assignment of Overriding Royalty Interest (No Proportionate Reduction): This is the most common type of assignment and involves the transfer of a fixed percentage of an ORRIS without any reduction in proportionate share. It safeguards the assignee's rights to receive a specific portion of the gross proceeds generated from oil or gas production. 2. Partial South Dakota Assignment of Overriding Royalty Interest (No Proportionate Reduction): Sometimes, an owner may decide to assign only a portion of their ORRIS. In this case, a partial assignment is made, specifying the exact percentage of the ORRIS being transferred. The assignee will then receive their allotted share of the gross proceeds without any reduction. 3. Temporary South Dakota Assignment of Overriding Royalty Interest (No Proportionate Reduction): In certain situations, an ORRIS owner may choose to temporarily assign their interest to another party. This type of assignment allows the assignee to receive the assigned percentage of gross proceeds for a specified period, after which the ownership reverts to the original owner. 4. Permanent South Dakota Assignment of Overriding Royalty Interest (No Proportionate Reduction): Conversely to the temporary assignment, a permanent assignment is a complete transfer of ownership of the ORRIS. The assignee becomes the new owner and is entitled to their fixed percentage of the gross proceeds indefinitely, without any reduction in proportionate share. Regardless of the type of South Dakota Assignment of Overriding Royalty Interest (No Proportionate Reduction), it is crucial for all parties involved to clearly define the terms and conditions of the assignment, including the assigned percentage, effective date, and any additional provisions deemed necessary. It is important to consult with legal professionals knowledgeable in South Dakota property and energy laws to ensure the assignment complies with all relevant regulations and to protect the rights of both the assignor and assignee.