US-New Jersey Nat Records

Image 1 is a Petition for Citizenship. In the PI's it does not specifically list this as a document to index but says to index documents that are similar to these form-types. I have indexed it and am using the date on the affidavit for the record date. Is this correct?

https://www.familysearch.org/indexing/batch/fb7305f7-2c84-48cd-97f9-3a954cd938e9