The AARP Foundation is once again scheduling free, in-person tax preparation services for low- to moderate-income taxpayers of any age, but especially for those 50 and older.

Appointments, which are required to access the free service, are available by calling 211.

AARP Foundation tax sites in Butler County are:

• Trinity Lutheran Church, 120 Sunset Drive, Butler, 9:15 to 11:45 a.m. and 12:30 to 3 p.m. Thursdays from Feb. 1 through April 11.

• Tanglewood Center, 10 Austin Ave., Lyndora, 9:15 to 11:45 a.m. and 12:30 to 3 p.m. Tuesdays from Feb. 6 to April 9.

• BC3@Cranberry, 250 Executive Drive, Cranberry Township, 9:30 a.m. to 2:45 p.m. Fridays from Feb. 2 to April 12.

• Mars Area Public Library, 107 Grand Ave., Mars, 10 a.m. to 12:30 p.m. and 12:45 to 3:15 p.m. Tuesdays from Feb. 6 to April 9