Annual personal financial affairs reports (or F-1s) are due by April 15. See instructions and more information here.
All campaign-related expenditures made by the candidate or the candidate's committee (including any filing fee) must be reported. Any expenditure of more than $200 in currency (actual cash dollars) may not be made unless a written receipt signed by the vendor (or the recipient of the money) and the candidate or treasurer is made part of your committee's financial records.
Every expenditure should be disclosed on the Schedule A, except for:
Campaign volunteers may each spend as much as $200 of their own funds for unreportable incidental expenses. However, if the campaign reimburses volunteers for expenses, a reportable expenditure has been made. When reimbursing someone, be sure to collect the receipt to keep with the campaign records.