> ## Documentation Index > Fetch the complete documentation index at: https://docs.tesouro.com/llms.txt > Use this file to discover all available pages before exploring further. # UnderwritingApplicationIdentity > Identity information for an underwriting application, including applicant type, merchant category code, and tax identification details. `OBJECT` Identity information for an underwriting application, including applicant type, merchant category code, and tax identification details. ## Fields Sensitive fields that require special permissions to access. The full tax identification number for the underwriting application. The type of the applicant (e.g., MERCHANT, SPONSORED\_MERCHANT, etc.). A biller that accepts payments for recurring services such as utilities, subscriptions, or invoices. A standard merchant that accepts card-present or card-not-present payments for goods or services. A seller operating under a marketplace or platform that routes payments on their behalf. A merchant sponsored by a payment facilitator, operating under the facilitator's master merchant account. A supplier in a B2B payment relationship, typically receiving payments from buyer organizations. A digital wallet provider that stores payment credentials and facilitates transactions on behalf of consumers. Indicates the entity is a known trusted entity. The merchant category code for the underwriting application. The unique identifier used to identify the underwriting application. An optional field that the Transactor would pass to potentially identify multiple applications that roll up to a broader relationship. The address from where the applicant operates it business. This may or may not be different from the legal address. The first line of the address. The second line of the address, if applicable. The third line of the address, if applicable. City, town, or village. The ISO 3166-1 three-letter country code associated with the address. See [CountryCode](/underwriting/reference/graphql/types/country-code) A set of specific numbers, and sometimes letters, that help postal services deliver mail. State or province. US states must be in their 2 character format defined here [https://about.usps.com/who/profile/history/state-abbreviations.htm](https://about.usps.com/who/profile/history/state-abbreviations.htm). Canadian provinces must be their 2 character format defined here [https://www.canada.ca/en/revenue-agency/services/tax/businesses/topics/completing-slips-summaries/financial-slips-summaries/return-investment-income-t5/provincial-territorial-codes.html](https://www.canada.ca/en/revenue-agency/services/tax/businesses/topics/completing-slips-summaries/financial-slips-summaries/return-investment-income-t5/provincial-territorial-codes.html) The type of business, e.g., CORPORATION, LLC, SOLE\_PROPRIETOR, etc. A group organized for a common purpose, such as a trade association or professional organization, that is not operated for profit. A business owned and operated by its members for mutual benefit, where profits are shared among members. A nonprofit corporation organized for purposes other than generating profit, such as charitable, educational, or religious activities. A privately held corporation whose shares are not publicly traded on a stock exchange. A publicly traded corporation whose shares are listed and traded on a public stock exchange. A government entity or agency at the federal, state, or local level. A Limited Liability Company (LLC) providing liability protection to its members with pass-through taxation. A Limited Liability Partnership (LLP) where partners have limited personal liability for business debts and obligations. An entity type that does not fit any of the other defined categories. A business structure where two or more individuals share ownership, profits, and liabilities. A business owned and operated by a single individual with no legal distinction between the owner and the business. A legal arrangement in which a trustee holds and manages assets on behalf of beneficiaries. The descriptive name for the applicant that may be different from its legal entity name. Also known as "Doing Business As" (DBA), "trade name", "assumed name", or "fictitious name". This name will appear on the cardholder's statement. Indicates whether the legal address is the same as the business address. The registered legal address of the business entity. The first line of the address. The second line of the address, if applicable. The third line of the address, if applicable. City, town, or village. The ISO 3166-1 three-letter country code associated with the address. See [CountryCode](/underwriting/reference/graphql/types/country-code) A set of specific numbers, and sometimes letters, that help postal services deliver mail. State or province. US states must be in their 2 character format defined here [https://about.usps.com/who/profile/history/state-abbreviations.htm](https://about.usps.com/who/profile/history/state-abbreviations.htm). Canadian provinces must be their 2 character format defined here [https://www.canada.ca/en/revenue-agency/services/tax/businesses/topics/completing-slips-summaries/financial-slips-summaries/return-investment-income-t5/provincial-territorial-codes.html](https://www.canada.ca/en/revenue-agency/services/tax/businesses/topics/completing-slips-summaries/financial-slips-summaries/return-investment-income-t5/provincial-territorial-codes.html) The legal company name. The customer service telephone number for the business. The names of the software providers used by the applicant. The U.S. state or jurisdiction in which the legal entity was incorporated or formed (2-character code). The tax identification number of the legal entity. The last 4 of the tax identification number. The type of the tax identification number (e.g., EIN, SSN, ITIN). See [TaxIdentificationNumberType](/underwriting/reference/graphql/types/tax-identification-number-type) The applicant's website. If the applicant sells its products or services using ecommerce, then the website URL is required.