UNLEVENED BREAD
The Abuse: Levened bread is being used instead of unlevened bread, it contains honey and is being baked at a local bakery.
Documentation:
Redemptionis Sacramentum Chapter III #1.
Congregation for Divine Worship, Instruction, Liturgicae instaurationes, 5 September 1970: AAS 62 (1970) p. 694
Code of Canon Law, can. 924 §2;
Missale Romanum, Institutio Generalis, n. 320.
Congregation for the Discipline of the Sacraments, Instruction, Dominus Salvator noster, 26 March 1929, n. 1: AAS 21 (1929) pp. 631-642, here p. 632.
Dominus Salvator noster, 26 March 1929, n. 1: AAS21 (1929): AAS 21 (1929) p. 635.