37 CFR §1.67

1. (a)The applicant may submit an inventor's oath or declaration meeting the requirements of § 1.63, § 1.64, or § 1.162 to correct any deficiencies or inaccuracies present in an earlier-filed inventor's oath or declaration. Deficiencies or inaccuracies due to the failure to meet the requirements of § 1.63(b) in an oath or declaration may be corrected with an application data sheet in accordance with § 1.76, except that any correction of inventorship must be pursuant to § 1.48.
2. (b)A supplemental inventor's oath or declaration under this section must be executed by the person whose inventor's oath or declaration is being withdrawn, replaced, or otherwise corrected.
3. (c)The Office will not require a person who has executed an oath or declaration in compliance with 35 U.S.C. 115 and § 1.63 or 1.162 for an application to provide an additional inventor's oath or declaration for the application.
4. (d)No new matter may be introduced into a nonprovisional application after its filing date even if an inventor's oath or declaration is filed to correct deficiencies or inaccuracies present in the earlier-filed inventor's oath or declaration.