What does the General mandatory action sign symbol look like?

Blue disc with a white exclamation mark. It is also called “M001”, “blue exclamation mark”, “general mandatory sign” and “mandatory action”.

General mandatory action sign symbol: blue disc with a white exclamation mark — ISO 7010-M001

Sign type set by Directive 92/58/EEC (Annex II) and the UK Health and Safety (Safety Signs and Signals) Regulations 1996 (Schedule 1); pictogram drawn to ISO 7010, which both allow.

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Mandatory signs Safety and compliance marks Safety signs (ISO 7010)

General mandatory action sign

Blue disc with a white exclamation mark. · also called “M001”, “blue exclamation mark”, “general mandatory sign”, “mandatory action”

What the General mandatory action sign symbol means

You must follow an instruction

This blue sign means there is something you must do here. On its own it does not say what, so it is accompanied where necessary by another sign or a text panel that states the required action; follow that instruction.

Source · Standard ISO 7010 Graphical symbols — Safety colours and safety signs — Registered safety signs · checked Nov 11, 2026

Where it appears

Mandatory signs

ISO 7010
—This meaning

Questions about the General mandatory action sign symbol

What does the General mandatory action sign symbol mean?: This blue sign means there is something you must do here. On its own it does not say what, so it is accompanied where necessary by another sign or a text panel that states the required action; follow that instruction.
What does the General mandatory action sign symbol look like?: Blue disc with a white exclamation mark. It is also called “M001”, “blue exclamation mark”, “general mandatory sign” and “mandatory action”.
Which standard defines the General mandatory action sign symbol?: It is listed as ISO 7010-M001.

Checked against the source · Nov 11, 2026 · How we verify

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