CIC/1917, can. 1444
§ 2. Loci Ordinarius praefiniat tempus intra quod possessio beneficii capi debeat; quo inutiliter praeterlapso, nisi iustum obstiterit impedimentum, beneficium vacare declaret ad normam can. 188, n. 2."
Sources
1917 Codex Iuris Canonicis, can. 1444, in: www.jgray.org (Last access: 16.02.2018).
Codex Iuris Senior, can. 1444, in: www.catho.org (Last access: 16.02.2018).
GASPARRI, Pietro (Hg.), Codex Iuris Canonici Pii X Pontificis Maximi iussu
digestus, Benedicti Papae XV auctoritate promulgatus, Rom 1917, can. 1444,
S. 424, in: archive.org (Last access: 16.02.2018).