The elements of worship set forth in the Scriptures may be used in the service of public worship in the order suggested here:

• Call to Worship

• Salutation

• Invocation

• Psalm or Hymn

• Scripture

• Prayer

• Psalm or Hymn

• Sermon

• Prayer

• Offering

• Psalm or Hymn

• Benediction

• Doxology

These specific elements may also be used in the service of public worship when desired: the reading of the Law, the Apostles' Creed, reading from the Heidelberg Catechism, the Lord's Prayer, the Gloria Patri, and congregational readings from the Holy Scriptures.

--From the RCUS Directory of Worship