This comes after eight were charged last week.
The Samoa Observer, quoted the Minister of Revenue, Tialavea Tionisio Hunt, as saying the government would not back down over the law requiring church ministers to pay taxes on their 'alofa' - the offerings they receive from church goers.
He said they were having to stagger the arrests because of court schedules.
In May, Samoa's largest church, the Congregational Christian Church of Samoa, voted to defy the government's tax move.