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People & organisations

OB marker

OB marker

Record details

Also known as
["out-of-bounds marker","OB markers","informal speech boundary"]
Type
political-and-editorial-concept
Jurisdiction
SG

Dates describe this record’s own period and applicability. A verification date does not mean a rule is currently in force.

Sources

Collection as of 2026-10-07 · An expanding collection. Published counts show available knowledge, not complete coverage of Singapore.