Efaktur Helper

Name: Efaktur Helper
Author: adamriofc

ASecurity

Validate and audit e-Faktur tax invoices (Faktur Pajak) for PPN 12% statutory rate and 11/12 DPP Nilai Lain effective burden filings.

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Added October 7, 2026

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Scanned October 7, 2026

npx -y skills add adamriofc/indonesian-business-agent-skills --skill efaktur-helper --agent claude-code

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SKILL.md

---
name: efaktur-helper
description: "Validate and audit e-Faktur tax invoices (Faktur Pajak) for PPN 12% statutory rate and 11/12 DPP Nilai Lain effective burden filings."
argument-hint: <paste_invoice_details_or_qr_url>
risk_level: MEDIUM
rule_type: statutory
quality_tier: source-verified
allowed-tools: bash
capability:
  purpose: [tax_calculation, statutory_compliance]
  not_for: [tax_legal_opinion, autonomous_filing]
  requires: [<paste_invoice_details_or_qr_url>]
  produces: [taxAmount, effectiveRatePercent, statutoryReference, safeToUse]
  consumes: [hr.payroll_cost, context.asOfDate]
  deterministic: true
  cross_domain_relevance:
    hr: high
    finance: high
    legal: medium
---

# e-Faktur & Coretax Invoice Auditor & Helper

Validates transaction codes, DPP values, statutory 12% PPN rate, and 11/12 DPP Nilai Lain calculations for DJP Coretax & e-Faktur.

## Statutory Basis & Code Classification
* **Statutes**: UU No. 7/2021 (HPP), PMK No. 131/2024 (12% Rate & 11/12 DPP), PER-01/PJ/2025, & PER-11/PJ/2025 (Faktur Pajak & Coretax).
* **Statutory PPN Rate**: **12%** (effective 2025 onwards under UU HPP & PMK 131/2024).
* **Non-Luxury Effective Burden**: Non-luxury transactions utilize Other Basis DPP (DPP Nilai Lain = 11/12 × DPP), resulting in an effective tax burden of 11% (`12% × 11/12 × DPP`).
* **NSFP Transaction Codes**:
  * **01**: Supply of taxable goods/services (BKP/JKP) to parties other than PPN Collectors (standard 12% PPN).
  * **02**: Supply to Government Budget Treasurers (Bendahara Pemerintah).
  * **03**: Supply to other PPN Collectors (SOEs / Oil & Gas Contractors).
  * **04**: Supply using the Other Basis DPP (DPP Nilai Lain = 11/12 × DPP for non-luxury items, effective 11% burden).
  * **07**: Supply where PPN is not collected (Free Zone / Bonded Zone).
  * **08**: Supply exempted from PPN.

## Auditing Workflow & System Integration
1. Verify 16-digit NSFP format & Coretax administration compliance.
2. Confirm PPN equals `12% x DPP` for standard 01 transactions, or `12% x (11/12 x DPP)` for 04 non-luxury transactions (effective 11%).
3. Check late generation threshold (Faktur created after the end of the following month is void).