5.2.4 Confirmation Sponsors
1. Pastors are responsible to see that the confirmation sponsors of their parishioners, chosen by candidates or families, are canonically qualified and able to fulfill the role properly. 
2. Pastors may require that sponsors provide certificates or letters of reference from their own pastors to establish their canonical suitability and practice of the Catholic faith.
 cc. 892-893 and 874; Rite of Confirmation, nn. 5-6; RCIA Introduction 34:7; Christian Initiation, General Instruction 10:2.