Let me get the list. It says:
Evidence considered for registration on the Indigenous Businesses Directory of being an Indigenous person includes, but is not limited to:
Indian registration in Canada
citizenship with the Manitoba Métis Federation, the Northwest Territory Métis Nation, or a Governing Member of the Métis National Council, including: the Métis Nation Saskatchewan; the Métis Nation of Alberta; the Métis Nation British Columbia and the Métis Nation of Ontario
membership in an affiliate of the Congress of Aboriginal Peoples, or other recognized Indigenous organization in Canada
acceptance as an Indigenous person by an established Indigenous community in Canada
enrolment or entitlement to be enrolled pursuant to a comprehensive land claim agreement, or membership or entitlement to membership in a group with an accepted comprehensive claim
There are those criteria. There is documentation required for each of those claims.