[1] 37 CFR 1.16(f)：Surcharge for filing the basic filing fee, search fee, examination fee, or inventor's oath or declaration on a date later than the filing date of the application, an application that does not contain at least one claim on the filing date of the application, or an application filed by reference to a previously filed application under § 1.57(a), except provisional applications: by a micro entity... $40.00, by a small entity ... $80.00, by other than a small or micro entity ... $160.00 .

[2] 35 USC 115(b)：REQUIRED STATEMENTS.—

(1) the application was made or was authorized to be made by the affiant or declarant; and

(2) such individual believes himself or herself to be the original inventor or an original joint inventor of a claimed invention in the application.

[3] 35 USC 25(b)：Whenever such written declaration is used, the document must warn the declarant that willful false statements and the like are punishable by fine or imprisonment, or both ( 18 U.S.C. 1001).

[4] 35 USC 115(d)：SUBSTITUTE STATEMENT.—(2) PERMITTED CIRCUMSTANCES.—A substitute statement under paragraph (1) is permitted with respect to any individual who—(A) is unable to file the oath or declaration undersubsection (a) because the individual— (i) is deceased;(ii) is under legal incapacity; or (iii) cannot be found or reached after diligent effort; or (B) is under an obligation to assign the invention but has refused to make the oath or declaration required under subsection (a).