Redemptionis Sacramentum

The Instruction "On certain matters to be observed or to be avoided regarding the Most Holy Eucharist" from the Congregation for Divine Worship and the Discipline of the Sacrament (with the assistance of the Congregation for the Doctrine of the Faith) was promulgated by JPII today.

You can find the text here.

Here's the Table of Contents:

Preamble [1-13]

Chapter I

The regulation of the Sacred Liturgy [14-18]

1. The Diocesan Bishop, High Priest of his Flock [19-25]
2. The Conference of Bishops [26-28]
3. Priests [29-33]
4. Deacons [34-35]

Chapter II

The Participation of the Lay Christian Faithful in the Eucharistic Celebration

1. Active and Conscious Participation [36-42]
2. The Ministries of the Lay Christian Faithful in the Celebration of Holy Mass [43-47]

Chapter III

The Proper Celebration of Mass

1. The Matter of the Most Holy Eucharist [48-50]
2. The Eucharistic Prayer [51-56]
3. The Other Parts of the Mass [57-74]
4. The Joining of Various Rites with the Celebration of Mass [75-79]

Chapter IV

Holy Communion

1. Dispositions for the Reception of Holy Communion [80-86]
2. The Distribution of Holy Communion [87-96]
3. The Communion of Priests [97-99]
4. Communion under Both Kinds [100-107]

Chapter V

Certain Other Matters concerning the Eucharist

1. The Place for the Celebration of Holy Mass [108-109]
2. Various Circumstances Relating to Mass [110-116]
3. Sacred Vessels [117-120]
4. Liturgical Vesture [121-128]

Chapter VI

The Reservation of the Most Holy Eucharist and Eucharistic Worship outside Mass

1. The Reservation of the Most Holy Eucharist [129-133]
2. Certain Forms of Worship of the Most Holy Eucharist outside Mass [134-141]
3. Processions and Eucharistic Congresses [142-145]

Chapter VII

Extraordinary Functions of the Lay Faithful [146-153]

1. The Extraordinary Minister of Holy Communion [154-160]
2. Preaching [161]
3. Particular Celebrations Carried Out in the Absence of a Priest [162-167]
4. Those Who Have Left the Clerical State [168]

Chapter VIII

Remedies [169-171]

1. Graviora Delicta [172]
2. Grave Matters [173]
3. Other Abuses [174-175]
4. The Diocesan Bishop [176-180]
5. The Apostolic See [181-182]
6. Complaints Regarding Abuses in Liturgical Matters [183-184]

Conclusion [185-186]