campaign finance officer; person in charge of electoral candidate's campaign fund accounting
A specific legal role in Japanese election law: a person appointed by a candidate to manage campaign income and expenditure, and to submit legally required financial reports.
An electoral candidate must appoint a campaign finance officer.
The campaign finance officer is obligated to submit a financial report.
Compound of 出納 (receipts and disbursements) + 責任者 (person in charge). A modern legal term with no obscure historical derivation.