NAV Online Invoice - NAV online számla
行业场景by aiamindennapokban
通过匈牙利国家税务与海关总署 NAV 系统直接管理和查询发票数据，获取纳税人信息、核验发票有效性，并实时跟踪交易状态，简化合规申报、修改与作废流程。
什么是 NAV Online Invoice - NAV online számla？
通过匈牙利国家税务与海关总署 NAV 系统直接管理和查询发票数据，获取纳税人信息、核验发票有效性，并实时跟踪交易状态，简化合规申报、修改与作废流程。
核心功能 (9 个工具)
query_taxpayerQuery taxpayer information from NAV by tax number (adoszam). Returns company name, address, VAT status.
query_invoice_dataGet full invoice data by invoice number from NAV. Returns complete invoice details.
query_invoice_digestSearch invoices in NAV with filters. Returns a paginated list of invoice summaries. Must provide either date range (dateFrom/dateTo), insertion date range (insDateTimeFrom/insDateTimeTo), or originalInvoiceNumber.
query_invoice_checkCheck if an invoice exists in NAV system.
query_invoice_chain_digestQuery the modification chain of an invoice (original + all modifications/stornos).
query_transaction_statusCheck the processing status of a previously submitted invoice transaction.
query_transaction_listList transactions within a date range.
manage_invoiceSubmit invoice data to NAV (create, modify, or storno). Handles token exchange automatically. The invoiceData must be BASE64-encoded invoice XML conforming to NAV invoiceData XSD.
manage_annulmentSubmit technical annulment for invoices. Use this for correcting technical errors (wrong data, wrong invoice number, etc.).
常见问题
NAV Online Invoice - NAV online számla 是什么？
通过匈牙利国家税务与海关总署 NAV 系统直接管理和查询发票数据，获取纳税人信息、核验发票有效性，并实时跟踪交易状态，简化合规申报、修改与作废流程。
NAV Online Invoice - NAV online számla 提供哪些工具？
提供 9 个工具，包括 query_taxpayer、query_invoice_data、query_invoice_digest 等。
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