The church has always required proper preparation of those who exercise a ministry. In the same way, CIC, Canon 231, states that "Lay persons who devote themselves permanently or temporarily to some special service of the church are obliged to acquire the appropriate formation which is required to fulfill their function properly." Lay ecclesial ministers, just like the ordained, need and deserve formation of high standards, effective methods, and comprehensive goals.
                                                             -Co-workers in the vineyard of the lord, P. 33

Read more about Tending the Talents in a recent article published by The Michigan Catholic: Tending Talents: Lay Ministers Learn Tools to Draw Others to Christ.