What must be submitted one month before the JR social study report?

A is incorrect because background checks are not mentioned in relation to the JR social study report. B is incorrect because services and referrals documentation is not mentioned in relation to the JR social study report. C is correct because the question specifically asks for what must be submitted one month before the JR social study report. D is incorrect because a party list is not mentioned in relation to the JR social study report.