Catechism of the Catholic Church
Paragraph 2192
"Sunday... is to be observed as the foremost holy day of obligation in the universal Church" (CIC, can. 1246 1). "On Sundays and other holy days of obligation the faithful are bound to participate in the Mass" (CIC, can. 1247).
No biblical citations detected in this paragraph.
No semantically close passages found in the indexed corpus.