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If the VAT organisation number exist, you will see the message:
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If the VAT organisastion organisation number is invalid or doesn’t exist, this message will appear:
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Mandatory field: Your ref
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Attachment can be added before or after posting, but before sending, in both Sales Order or Sales Invoice:
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Supported attachments types: pdf, txt/csv, png/jpg
Go to “Posting” on the main menu > Post and Send
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