Genuflection on the Right Knee
Before a tabernacle where the Blessed Sacrament is reserved (and when crossing it)
Before entering or after exiting your pew at church
Before relics of the Passion, ie. the True Cross, the Holy Lance, the Holy Nails
Before relics of the Precious Blood
Before the Crucifix on Good Friday
At the mention of the Incarnation at the Creed (“Et incarnatus est…”) and Last Gospel (“Et Verbum caro factum est”)
At the mention of the Incarnation during the Angelus on Saturday evening and on Sunday (“Et Verbum caro factum est”)
At the Gospel for the third Mass on Christmas (Prologue of St. John)
At the Gospel for the Feast of the Epiphany (“et procidentes adoraverunt eum”)
At the Epistle for Palm Sunday, the Invention of the Cross, and the Exaltation of the Holy Cross (“ut in nomine Iesu omne genu flectatur caelestium, terrestrium et infernorum”)