What is the test for making an income and expense declaration in a marital dissolution proceeding?

The filing of an income and expense declaration is required in a marital dissolution proceeding when it is "appropriate" and "relevant." The failure to file final income and expense statements and other disclosure documents required by family law provisions cannot lead to reversal unless the appellant establishes prejudice. (In re Marriage of Steiner & Hosseini (2004) 117 Cal.App.4th 519, 524, 527-528; Burkle v. Burkle (2006) 144 Cal.App.4th 387, 403 [recognizing that filing an income and expense declaration is "not a jurisdictional requirement" and that "although a rule of court phrased in mandatory language is generally binding on the courts, departure from the rule is not

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