Hizb 27 opens Juz 14, carrying Al-Hijr entirely before crossing into An-Nahl, and it is the hizb containing the preservation verse most often quoted in later discussion of how the hizb, quarter and juz marking system itself relates to the text's transmission: the marks this whole batch has been describing are a later reciting convenience layered onto an already fixed text, not a claim about the text's own content, which the verse in this hizb addresses directly instead.
In tarawih recitation this hizb typically opens the fourteenth night, and its four rub al-hizb quarters carry a reciter from Al-Hijr's narrative and closing statement into An-Nahl's opening catalogue of natural signs, another instance of this account's recurring pattern of a hizb crossing cleanly from one sura's conclusion into the next sura's introduction.
Huffaz reviewing this hizb by quarter often treat the preservation verse as a natural checkpoint marking roughly the first quarter's end, since it is short, well known, and falls at a genuine pause in Al-Hijr's own argument rather than in the middle of a longer passage.
Because the verse is invoked so often outside its own recitation context, in debates about textual criticism and in devotional writing alike, this hizb is sometimes the first place a student encounters it directly in sequence, rather than as an isolated quotation met before the surrounding sura was ever studied in full.