Ten Commandments for attending the Mass I Thou shall keep the Lord's day holy by attending the Mass on Sundays and holy days of obligation II Thou shall have respect for the house of God III Thou shall not bring iPods, PSPs, or any similar electronic devices to the Mass IV Thou shall have all cellphones on vibrate or turned off V Thou shall remove all hats, caps, or sunglasses upon entering the Church building VI Thou shall not bring neither food nor drink into the Church building VII Thou shall refrain from unnecessary talking during the Mass VIII Thou shall remain seated during the Mass unless one is serving, in which instance, thou should promptly return to thy seat once thy work is completed IX Thou shall fast at least one hour before receiving communion X Thou shall assist at the Mass whenever called to do so