Election Obligations & Standards Database
"[Voter eligibility]...systems include: (1) no registration…(2) census registration or other national registry…or (3) inscription."
NDI: How Domestic Organizations Monitor Elections: An A to Z Guide
, p. 54
How Domestic Organizations Monitor Elections: An A to Z Guide
A voter list may be reliably established through a variety of acceptable methods, including periodic list, continuous list, or civil registry.