The couple, who attended Berean Christian Church at the time, also face a charge of possessing seditious tracts at their Maplewoods condominium on Jan 30 last year, the day they were arrested.
Among the 11 seditious title tracts found were: Who is Allah? The Pilgrimage, Allah Had No Son, Are Roman Catholics Christians? Why is Mary Crying? and The Little Bride.
Sedition laws are meant to ensure racial and religious harmony, and this is the first time such a case has gone to trial.
The couple's defence is that they thought it was safe to distribute those tracts as they were sold openly in Christian bookstores in Singapore.
The prosecution asserts that they knew the contents of the 11 publications. They also knew or had reason to believe that the contents had a seditious tendency to promote feelings of ill-will, hostility between Christians and non-Christians in Singapore.
If convicted for sedition, they each face a fine of up to $5,000 and/or a jail term of up to three years on each charge.
The maximum penalty under the Undesirable Publications Act is a fine of up to $5,000 and a jail term of up to 12 months. Possession is punishable with a fine of up to $2,000 and/or a jail term of up to 18 months.