SAN JOSE (CBS/AP) — Democratic Rep. Mike Honda has quietly set up a fund dedicated to collecting money to pay bills related to an ethics probe.

Honda is under investigation to determine whether his office violated House rules that prohibit politicians from using taxpayer funds that pay for office staff for campaign purposes.

READ MORE: San Francisco-Based Airbnb Reports Huge 4th-Quarter Loss

The San Jose Mercury News reports Sunday the San Jose Democrat set up the fund after taking more than $200,000 out of his campaign war chest last year to pay for legal help.

READ MORE: California Allocates $1.4 Million To Track And Stop Attacks Against Asian Americans

Honda is locked in a close race against repeat Democratic challenger Ro Khanna.

The Office of Congressional Ethics says in a report released last year that Honda’s office staffers doubling as campaign volunteers prepared campaign materials, used information from the congressional office for campaign purposes and regularly discussed campaign matters at official staff retreats.

MORE NEWS: COVID Vaccines: San Mateo County Hosting Clinic in Daly City For Residents 65 and Older

© Copyright 2016 The Associated Press. All Rights Reserved. This material may not be published, broadcast, rewritten or redistributed