A stock symbol may back only one brand

The requirementstatement

A stock symbol already registered against another brand cannot be used again.

Severityseverity: BlockingBLOCKINGBreaking this rule gets the submission rejected. There is no partial credit.
When it bitesphase: Gates approvalapprovalGet this wrong and the brand or campaign is refused at registration.
What is checkedobject: brand.stock_symbol
Where it liveslayer: BrandBRAND
How Ekas settles itdetectability: External recordEXTERNAL_DATA; The fact that settles it lives in a register we cannot query, such as the IRS file, a postal database, or another provider’s tenant. Reported as a warning with the evidence to check, not as a pass.
What the fix involvesfailureClass: Wait on someone elseTERMINAL_EXTERNAL; Needs an external system or a waiting period, such as IRS propagation, a vetting result, or a carrier queue.
Who requires itauthorities: TwilioTCR
When it appliesapplicabilityText: Applies when the brand is a public company.

Why this rule existsrationale

The ticker is treated as an identity key, so two brands claiming the same symbol is read as one of them being wrong. Large groups hit this legitimately: a subsidiary registering under the parent's ticker collides with the parent's own brand, and the subsidiary has no visibility of it.

How to fix itremediation

Register the subsidiary under its own entity type and identifier rather than the listed parent's ticker. Where the listed entity itself is being registered twice, share or transfer the existing brand instead of creating a second one.

Provider rejection codescodes

The code you get back when this rule is what failed, and whether that provider lets you resubmit.

Provider	Code	Resubmit
Twilio	30703	Yes

Check this yourselfattestation

No tool can settle this one for you. Here is the check, and what wrong looks like.

Has anyone else in your group, or a former vendor, already registered a brand under this ticker?

1Ask the parent company's messaging or IT owner whether a 10DLC brand already exists for the listed entity.
2Where one does, route this traffic through the existing brand rather than creating a second one; a subsidiary registers under its own entity and identifier, not the listed parent's ticker.

What wrong looks like: A subsidiary registers under the parent's ticker and collides with the parent's own brand — a record it has no visibility of and cannot query.

Notesnotes

The collision is against every brand in the registry, which we cannot see. The user has to establish whether anyone in their group — or a former vendor — has already registered a brand under this ticker, and if so route the traffic through that brand rather than duplicating it.

Rules you will hit next

Other brand rules at the same severity. A registration is judged as a whole, not rule by rule.

BRD-001A legal company name is required for every entity but a sole proprietorBlockingBLOCKING BRD-002Legal name must match the IRS record for the EINBlockingBLOCKING BRD-003Legal name must carry its exact entity suffix as filedBlockingBLOCKING BRD-008Legal name must not carry an appended personal name or roleBlockingBLOCKING BRD-009The legal name field takes the legal name, not the trading nameBlockingBLOCKING BRD-011A legal business name may back only one brand across the whole registryBlockingBLOCKING

All brand rules

BRD-050 is one of 196 brand rules in the 915-rule 10DLC registry. Free to cite under CC BY 4.0.