Tax Aide volunteers trained by the Internal Revenue Service will offer tax-filing assistance for seniors and low-income taxpayers from 9:30 to 11:30 a.m. and 12:30 to 2:30 p.m. now through April 15 at the following locations.

Mondays, Slippery Rock Senior Center, 155 Branchton Road, Slippery Rock.

Tuesdays, Tanglewood Senior Center, 10 Austin Ave., Lyndora.

Thursdays, Clearview Mall, Center Township.

Friday, Mental Health Association, 100 N. Elm St., Butler.

Participants should take all information necessary to complete returns, and identification.