Definition of "pertain"

pertain

/pɚˈteɪn/

verb
third-person singular simple present pertains, present participle pertaining, simple past and past participle pertained
1. (intransitive) To belong to or be a part of; be an adjunct, attribute, or accessory of.
2. (intransitive) To relate, to refer, be relevant to.
3. (intransitive) To apply; to be or remain in place; to continue to be applicable.
  Quotations
  An explanation offered is that every Sabbath Va'ani Tefilati is said in praise of the people of Israel, who, though they eat and drink, read the Torah and pray. However, on Yom Kippur this does not pertain.
  1996, Macy Nulman, The Encyclopedia of Jewish Prayer, page 340