Award letter for alimony, child support, social security (including SSI).Paycheck stub(s) for the past 30 days if paid biweekly, bring 2 pay stubs or, if paid weekly, bring 4 pay stubs.Proof of Income – Income documents for everyone in your household who works or has a source of income Bill or business letter addressed to you.Proof of Identity for yourself and each person who is applying for WIC A parent, guardian, or caretaker of an infant or child who is applying for WIC