The acrostic stands for:

B - Biblical Authority (II Timothy 3:16)

A - Autonomy of the local church (Acts 13:1-3)

P - Priesthood of all believers (I Peter 2:9)

T - Two ordinances: Baptism and the Lord's Supper (Acts 2:41-42)

I - Individual soul liberty (Romans 14:5, 12)

S - Separation of church and state (Matthew 22:21)

T - Two offices: pastors and deacons (Philippians 1:1)

S - Saved church membership (Acts 2:41, 47)

Note: One Baptist distinctive not included in the acrostic is “congregational church governance”.