"Kitsur Shulchan Aruch" by Shlomo Ganzfried

The compiler of this Kitsura Kitsura Luba Ahuva Petrushanskaya.

1.gl.148, par.2. If a girl to get married, then after that privacy is considered to be held wedding.

2.gl.148, par.4. Do not carry out acquisitions (including the acquisition of his wife, ie weddings) on Shabbat. Therefore, if the wedding takes place on Friday, you must ensure that privacy was before Shabbat.