Positive Mitzvot of Shabbat 07: Tosefet Shabbat (Part 2), by Rav Dovid Gottlieb
If a husband or wife accepts early Shabbat does that obligate his or her spouse? When does a "communal acceptance" obligate individuals? Can you ask a non-Jew to do melacha for you after you have accepted Shabbat? Can you ask a fellow Jew? Can you change your mind?
