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Semiconductor Manufacturing · Oracle Cloud ERP

LHDN Compliance for a Wafer Foundry Processing 1,000+ Invoices a Month

A semiconductor wafer foundry in Kedah needed to add LHDN e-invoicing to a high-volume, cross-border AP workflow without adding to the load on an already-stretched finance team.

1000+

Invoices / month

AP + AR

Full coverage

<3 wks

Time to go-live

0

Rejections on day one

The Client

High Volume, Cross-Border Complexity, and a Team That Was Already at Capacity

The company is a semiconductor wafer foundry operating in Kedah, supplying precision wafers to chip designers around the world. Over 1,000 invoices move through their Oracle Cloud ERP every month and unlike an oil and gas operator where each invoice might be one large line item, this is a high-frequency environment with international supplier payments, precision material procurement, and customer shipments going out to global accounts.

Their AP team was already working at full stretch managing that volume. The LHDN mandate didn't reduce their workload it added a new compliance requirement on top of it. The only acceptable outcome was a solution that didn't create any new tasks for the people processing invoices every day.

AP Invoice Types

  • Precision material procurement from local and international suppliers
  • International supplier payments (cross-border, FX-denominated)
  • Equipment and maintenance vendors
  • Standard-rated SST
  • Zero-rated SST
  • Exempt

AR Invoice Types

  • Customer shipments to global chip designers and OEM accounts
  • Wafer lot invoicing with precision line-item detail
  • International customer billing (multiple currencies)
  • Export invoices
  • Domestic sales
  • LHDN MyInvois

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The Challenge

Adding a Compliance Layer Without Adding Work

The core tension: LHDN e-invoicing is a new compliance obligation, but it couldn't create new operational steps for a finance team that had no capacity to absorb them.

01

Volume requires automation, not a portal

At 1,000+ invoices per month, any solution requiring manual steps per invoice  even small ones  compounds quickly. This had to be fully automated from the moment an invoice is posted in Oracle Cloud.

02

International payments add tax edge cases

Cross-border supplier invoices and export customer invoices introduce zero-rated and exempt SST treatments that had to be handled correctly. The e-invoicing layer had to respect Oracle Cloud’s existing tax configuration without creating a parallel calculation.

03

Both AP and AR in scope from day one

The mandate required e-invoicing for what they pay suppliers and what they bill customers. Both flows had to be live before the compliance threshold triggered not phased in over time.

04

Go-live before the deadline, not after

The LHDN threshold had already been hit. A multi-month implementation was not on the table. They needed to be live and compliant within weeks.
What We Did

B-Invoice Handles the Volume Automatically - Starting from Oracle Cloud

The finance team processes invoices exactly as they always have. B-Invoice sits underneath Oracle Cloud, reading from the same tables that drive the AP and AR workflows. When an invoice is posted, B-Invoice handles everything that happens next.

AP e-invoicing at scale

Supplier invoices – from precision material suppliers to international equipment vendors – are picked up automatically when posted in Oracle Cloud AP. B-Invoice validates, formats, and submits each one to MyInvois without any manual action from the team.

AR e-invoicing for global shipments

Customer invoices for wafer shipments to international chip designers are converted to LHDN format and submitted via API as soon as they’re generated in Oracle Cloud AR. Export and domestic invoices are both handled correctly.

SST alignment across all tax treatments

Standard-rated, zero-rated, and exempt SST treatments are read directly from Oracle Cloud’s existing tax configuration. B-Invoice doesn’t second-guess the tax logic – it uses exactly what’s already there.

Digital signatures and QR codes on every invoice

Each submission to LHDN carries the digital signature and QR code required by MyInvois. At 1,000+ invoices per month, this is happening continuously in the background – the finance team doesn’t touch it.

Automated status writeback

LHDN acceptance or rejection status and e-invoice reference numbers are written back to Oracle Cloud within minutes. Nobody needs to check a separate dashboard to know what’s been accepted.
Day-to-Day Flow

A Thousand Invoices a Month. Zero New Steps for the AP Team.

From the finance team's perspective, nothing changed. From LHDN's perspective, every invoice arrives correctly formatted, signed, and on time.

1,000+

Invoices processed through B-Invoice every month.

The AP and AR teams haven’t changed a single step in their workflow. Every invoice gets to LHDN. Every response comes back to Oracle Cloud. The reconciliation runs itself.

01

Invoice posted in Oracle Cloud

That’s the only action required. The AP or AR clerk does what they’ve always done. Posting the invoice is the trigger nothing else needed.

02

Validation catches problems before LHDN does

B-Invoice checks each invoice for missing fields, tax code mismatches, and format errors. Issues are flagged for the AP team to resolve not sent to LHDN as rejections.

03

Clean invoices are submitted to MyInvois

B-Invoice converts each clean invoice to LHDN’s MyInvois XML format, applies the digital signature and QR code, and submits via the LHDN API. This happens within minutes of posting.

04

LHDN status returns to Oracle Cloud automatically

Acceptance or rejection, plus the e-invoice reference number, lands in Oracle Cloud without anyone checking MyInvois. The AP team sees the status in their normal workflow.

05

Month-end reconciliation runs automatically

B-Invoice compares invoice counts between Oracle Cloud and LHDN at month-end. Every gap is flagged. The finance team has a clean record without building any report themselves.
The Results

Fully Compliant. High Volume. No Additional Headcount.

1,000+

AP and AR invoices processed through B-Invoice every month, including cross-border supplier and customer transactions

100%

LHDN compliance from go-live - no rejections in the first submission batch

<3 wks

From kickoff to production go-live, covering both AP and AR e-invoicing flows

Zero

New steps added to the AP or AR team's daily workflow - the system handles compliance in the background

The foundry is now fully live and processing all invoices through B-Invoice. Volume will continue to grow as the business scales. The system scales with it no additional configuration needed as invoice counts increase.
As Malaysia’s LHDN mandate extends to all taxpayers, the infrastructure is already in place. It just keeps running.
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High Invoice Volume? Oracle Cloud? Let's Talk.

B-Invoice is built for ERP customers who can't afford to slow down their AP and AR teams. If you're approaching the LHDN threshold or already past it we can have you live in under three weeks.

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