From the Back Office you can configure your Business data; to do it, go to Configuration/Business.
Legal

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Name: Name of your business.
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Logo: Distinctive logo of your business.
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Business Name: Social name of your business.
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Slogan: In case of having a slogan, enter it in this field.
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CIF: Tax Identity Code of your business.
Address

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Address: Address where the business is settled.
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City: Location where the business is settled.
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Postal Code: Postal code of the city.
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Province: Province of the locality.
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Country: Country where the business is settled.
Contact

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Phone: Contact phone number.
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Web: Business web address.
Note: This information will appear on the invoice.