The apostle Paul made clear that Christians other than the apostles were to keep the Lord’s Evening Meal.
فَقَدْ كَتَبَ إِلَى ٱلرُّفَقَاءِ ٱلْمُؤْمِنِينَ فِي كُورِنْثُوسَ :‏ « تَسَلَّمْتُ مِنَ ٱلرَّبِّ مَا سَلَّمْتُكُمْ أَيْضًا ،‏ أَنَّ ٱلرَّبَّ يَسُوعَ .‏ .‏ .‏