Survey instance

A reusable set of due diligence survey questions sent to suppliers. The engagement tier decides which one applies and how often.

Contains many survey questions.

Fields

Field	Type	Meaning	Example 1	Example 2
id	PK	Unique identifier	QNR-02	QNR-05
name	string	Survey instance name	Critical supplier security assessment	Standard supplier due diligence
applies_to_tier	enum	Tiers that receive it	Tier 1	Tier 2 and Tier 3
frequency	enum	How often it is reissued	Annual	Every two years
owner	user	Who maintains it	Chief Information Security Officer	Head of Procurement