--- title: Bahrain VAT Invoice Fields: System Configuration Requirements url: https://www.erpbahrain.com/compliance/vat-invoice-fields/system-configuration/ updated: 2026-10-09 publisher: BAHRAIN ERP (part of Shyphan AI Solutions Pvt Ltd) --- Compliance # Bahrain VAT Invoice Fields: System Configuration Requirements The configuration areas involved in setting up VAT invoice fields in an ERP system. Quick answer VAT Invoice Fields requirements in Bahrain are set by the National Bureau for Revenue (NBR). In an ERP, this affects: tax invoice header, customer tax details, line-level tax codes, totals and rounding. - Mandatory fields cannot be left blank - Tax amounts recalculate correctly after edits - Invoice numbering is sequential and gap-controlled This page is part of our Bahrain compliance series. Related topics: [VAT Registration](https://www.erpbahrain.com/compliance/vat-registration/), [VAT Credit Notes](https://www.erpbahrain.com/compliance/vat-credit-notes/). Apply them in [Zoho Books](https://www.erpbahrain.com/zoho/zoho-books/), [Odoo Accounting](https://www.erpbahrain.com/odoo/odoo-accounting/) or [ERPNext Accounting](https://www.erpbahrain.com/erpnext/erpnext-accounting/), and see [all compliance topics](https://www.erpbahrain.com/compliance/). Configuration ## What to Configure Where each setting lives differs by platform, so we map it during the project. **Configuration areas** | Configuration area | Purpose | | Invoice template | To be set per your confirmed requirements | | Tax code mapping | To be set per your confirmed requirements | | Numbering sequence | To be set per your confirmed requirements | | Currency and rounding rules | To be set per your confirmed requirements | Records ## Records Involved VAT Invoice Fields affects how records are captured, approved and reported in your ERP. The rules come from the National Bureau for Revenue (NBR); this page only describes how a system can be set up to support them. - Tax invoice header - Customer tax details - Line-level tax codes - Totals and rounding Controls ## Controls and Evidence **Controls and evidence** | Control | Evidence to keep | | Mandatory fields cannot be left blank | Approval record, report or screenshot with date | | Tax amounts recalculate correctly after edits | Approval record, report or screenshot with date | | Invoice numbering is sequential and gap-controlled | Approval record, report or screenshot with date | | Bilingual layouts are reviewed | Approval record, report or screenshot with date | Setup ## How to Set Up VAT Invoice Fields in an ERP **Setup steps** | Step | What to do | | 1. Confirm | Confirm the current requirement for VAT invoice fields with the National Bureau for Revenue (NBR) | | 2. Map records | Map tax invoice header, customer tax details, line-level tax codes to ERP fields | | 3. Configure | Set up invoice template, tax code mapping, numbering sequence | | 4. Add controls | Enable the controls above, with approvals and logging | | 5. Test | Run the scenarios below with sample data and compare with expected results | | 6. Document | Record settings, owners and the review rhythm, then train users | Testing ## Test Scenarios Before Go-Live **Test scenarios** | Scenario to test | Expected result | | Try to break this control: mandatory fields cannot be left blank | The system blocks or flags it, and the attempt is logged | | Try to break this control: tax amounts recalculate correctly after edits | The system blocks or flags it, and the attempt is logged | | Try to break this control: invoice numbering is sequential and gap-controlled | The system blocks or flags it, and the attempt is logged | | Try to break this control: bilingual layouts are reviewed | The system blocks or flags it, and the attempt is logged | | Run the process end to end with sample data | Reports reconcile with the transactions entered | Ongoing ## Review Rhythm **Suggested review rhythm** | When | Review | | Before go-live | Confirm requirements with the authority or your adviser; test with sample documents | | Monthly | Reconcile reports to filings or statements; review exceptions | | Quarterly | Review user access, approvals and changes made to settings | | After a rule change | Update configuration, retest and record the change | FAQ ## Compliance Questions - Where do these requirements come from? From the National Bureau for Revenue (NBR). We confirm the current requirement before configuring your system. - Who sets the rules for VAT invoice fields? The rules come from the National Bureau for Revenue (NBR). Always check current official sources. - What records are involved in VAT invoice fields? Tax invoice header, Customer tax details, Line-level tax codes, Totals and rounding. - Can BAHRAIN ERP configure our system once rules are confirmed? Yes. We configure and test the system against the requirements your adviser confirms. - Which records does VAT invoice fields involve in an ERP? Tax invoice header; Customer tax details; Line-level tax codes; Totals and rounding. - Which ERP controls support VAT invoice fields? Mandatory fields cannot be left blank; Tax amounts recalculate correctly after edits; Invoice numbering is sequential and gap-controlled; Bilingual layouts are reviewed. - Which ERP settings should be reviewed for VAT invoice fields? Invoice template; Tax code mapping; Numbering sequence; Currency and rounding rules. Have More Questions? Book A Free Consultation [ Talk to Us ](https://www.erpbahrain.com/contact.html) Or, Email us at contact@erpbahrain.com ## Related Pages - [VAT Invoice Fields guide](https://www.erpbahrain.com/compliance/vat-invoice-fields/) - [All compliance topics](https://www.erpbahrain.com/compliance/) - [Bahrain VAT Invoice Fields: ERP Control Checklist](https://www.erpbahrain.com/compliance/vat-invoice-fields/erp-controls/) - [Bahrain VAT Invoice Fields: Frequently Asked Questions](https://www.erpbahrain.com/compliance/vat-invoice-fields/faq/)