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MB-800 Study Guide

Domain 1: Set Up Business Central

  • Welcome to Business Central Free
  • Creating & Configuring Companies Free
  • Data Migration & Opening Balances Free
  • Users, Profiles & Security Free
  • Core Setup Essentials Free
  • Dimensions Deep Dive Free
  • Approval Workflows Free
  • M365 & Power Platform Integrations Free

Domain 2: Configure Financials

  • General Ledger Setup
  • Currencies, Deferrals & Exchange Rates
  • Chart of Accounts & Financial Reporting
  • Posting Groups Demystified
  • Journals & Bank Accounts
  • Accounts Payable
  • Accounts Receivable
  • Fixed Assets & Depreciation

Domain 3: Configure Sales and Purchasing

  • Inventory Foundations
  • Inventory Costing & Ledger Flow
  • Sales & Purchase Master Data
  • Pricing & Discounts

Domain 4: Perform Business Central Operations

  • Navigating & Customising Pages
  • Working with Data: Excel, OneDrive & Analysis
  • Purchase Processing
  • Sales Processing
  • Financial Documents
  • Payment Processing
  • Reconciliation, Allocations & FX Adjustments
  • Fixed Asset Transactions

MB-800 Study Guide

Domain 1: Set Up Business Central

  • Welcome to Business Central Free
  • Creating & Configuring Companies Free
  • Data Migration & Opening Balances Free
  • Users, Profiles & Security Free
  • Core Setup Essentials Free
  • Dimensions Deep Dive Free
  • Approval Workflows Free
  • M365 & Power Platform Integrations Free

Domain 2: Configure Financials

  • General Ledger Setup
  • Currencies, Deferrals & Exchange Rates
  • Chart of Accounts & Financial Reporting
  • Posting Groups Demystified
  • Journals & Bank Accounts
  • Accounts Payable
  • Accounts Receivable
  • Fixed Assets & Depreciation

Domain 3: Configure Sales and Purchasing

  • Inventory Foundations
  • Inventory Costing & Ledger Flow
  • Sales & Purchase Master Data
  • Pricing & Discounts

Domain 4: Perform Business Central Operations

  • Navigating & Customising Pages
  • Working with Data: Excel, OneDrive & Analysis
  • Purchase Processing
  • Sales Processing
  • Financial Documents
  • Payment Processing
  • Reconciliation, Allocations & FX Adjustments
  • Fixed Asset Transactions
Domain 4: Perform Business Central Operations Premium ⏱ ~14 min read

Financial Documents

Sales and purchase invoices, credit memos, combined shipments, prepayments, and correcting posted documents β€” the financial document lifecycle in Business Central.

Financial Documents in Business Central

β˜• Simple explanation

Financial documents are the receipts and bills of your business.

Think of a restaurant. When food arrives, the kitchen sends a ticket (shipment). At the end you get a bill (invoice). If they got your order wrong, they take something off the bill (credit memo). And if you book a big party, they might ask for a deposit upfront (prepayment).

At Coastal Traders, πŸ’° Olivia Chen manages all these documents β€” invoices to customers, bills from vendors, credit memos for returns, and prepayments for large orders.

Financial documents in Business Central create ledger entries that track the money side of transactions. The main types are:

  • Sales/Purchase Invoices β€” create customer/vendor ledger entries and G/L entries
  • Credit Memos β€” reverse or reduce previously posted amounts
  • Combined Shipments/Receipts β€” consolidate multiple deliveries into one invoice
  • Prepayment Invoices β€” collect advance payments before fulfilment

Each document goes through a lifecycle: draft, released, posted. Once posted, corrections require offsetting entries (credit memos).

Standalone Invoices vs Invoices from Orders

There are two ways to create an invoice in Business Central:

Standalone invoice β€” create an invoice directly without an order. Go to Sales Invoices (or Purchase Invoices), click New, and fill in the lines.

Invoice from an order β€” create a sales or purchase order first, then post it with the Invoice option.

ScenarioUse
Simple one-time sale, no shipping neededStandalone sales invoice
Goods need to ship before invoicingSales order, ship first, invoice later
Service billing with no physical goodsStandalone sales invoice
Multi-step fulfilment with partial shipmentsSales order with partial posting

Sofia uses standalone invoices for consulting fees. For physical goods needing warehouse processing, she always starts with a sales order.

Question

When should you use a standalone sales invoice instead of a sales order?

Click or press Enter to reveal answer

Answer

Use standalone invoices for simple transactions without warehouse processing β€” service billing, one-time charges, or goods already delivered. Use sales orders when you need shipping, warehouse handling, or partial deliveries.

Click to flip back

Credit Memos

A credit memo reduces or reverses what a customer owes you (sales credit memo) or what you owe a vendor (purchase credit memo). When posted, it creates negative ledger entries.

Common reasons: customer returned damaged goods, vendor overcharged, pricing error discovered after posting, or a negotiated discount after the fact.

How credit memos work

When Sofia posts a sales credit memo:

  1. A negative customer ledger entry is created (reducing what the customer owes)
  2. Revenue G/L accounts are reversed
  3. If items are returned, inventory quantities increase back
  4. The credit memo can be applied to the original invoice

Linking to the original invoice

Use the Applies-to Doc. No. field on the credit memo to link directly to the original posted invoice. This ensures the credit is matched correctly.

πŸ’‘ Exam tip: Credit memos create negative entries

Credit memos don’t delete the original invoice. They create negative entries that offset it. Both remain visible in posted documents, preserving the audit trail.

Question

What happens when you post a sales credit memo?

Click or press Enter to reveal answer

Answer

A negative customer ledger entry reduces the balance. Revenue G/L accounts are reversed. If items are returned, inventory increases. The original invoice stays unchanged β€” the credit memo offsets it.

Click to flip back

Combining Shipments into One Invoice

Coastal Traders ships goods to Pacific Imports several times a week. Pacific Imports wants one monthly invoice covering all shipments.

The process

  1. Create sales orders for Pacific Imports throughout the month
  2. Post each order with Ship only (not Invoice)
  3. At month-end, create a new blank Sales Invoice for Pacific Imports
  4. On the invoice lines, use Get Shipment Lines
  5. Select all uninvoiced shipment lines
  6. Post the combined invoice

Automatic combining

Run the Combine Shipments batch job (Tell Me > β€œCombine Shipments”) to create invoices automatically for all customers with uninvoiced shipments. On the customer card, enable Combine Shipments to include that customer in the batch job.

πŸ’‘ Exam tip: Combine Shipments checkbox

The Combine Shipments field on the customer card must be enabled for the batch job. The manual Get Shipment Lines method works for any customer regardless of this setting.

Combining Receipts into One Invoice

The same concept works on the purchasing side. Marcus receives goods from Global Parts Ltd multiple times before getting a single consolidated bill.

The process

  1. Create purchase orders and post each with Receive only
  2. When the vendor’s consolidated bill arrives, create a new Purchase Invoice
  3. Use Get Receipt Lines to pull the matching receipt lines
  4. Post the combined purchase invoice

Automatic combining

Run the Combine Receipts batch job to automatically create purchase invoices for vendors with uninvoiced receipts. The vendor card has a Combine Receipts checkbox that works the same way as the customer-side setting.

Knowledge Check

Coastal Traders ships to Pacific Imports three times in January. Pacific Imports wants one invoice at month-end. What's the correct process?

Question

How do you combine multiple purchase receipts into one invoice?

Click or press Enter to reveal answer

Answer

Post purchase orders with Receive only. Create a new purchase invoice and use Get Receipt Lines to pull uninvoiced receipts. Automate with the Combine Receipts batch job.

Click to flip back

Correcting Posted Invoices

You cannot edit a posted document in Business Central. Posted documents are permanent ledger entries. Instead, you correct them by creating offsetting entries.

From a Posted Sales Invoice or Posted Purchase Invoice, you have two options:

Correcting posted invoices
FeatureCreate Corrective Credit MemoCancel Invoice
What it doesCreates a draft credit memo you can edit before postingCreates and posts a full reversal automatically
Editable?Yes β€” change amounts, remove linesNo β€” posts immediately
Best forPartial corrections, price adjustmentsComplete reversal of entire invoice
Original invoiceRemains as-isMarked as Cancelled
Re-invoice?Create a new invoice manuallyBC offers to create a corrected invoice
⚠️ Warning: Cancellation has limits

You cannot cancel a posted invoice if it has been paid, inventory has been adjusted, or the fiscal period is closed. Use Create Corrective Credit Memo in those cases.

Release and Reopen

Every sales and purchase document has a Status field: Open or Released.

What does Release do?

Releasing locks a document from editing and signals it’s ready for the next step:

StatusCan edit?Can post?Warehouse?
OpenYesYesNo
ReleasedNoYesYes

When Olivia releases a sales order, the warehouse team can start picking. Nobody can accidentally change quantities or prices.

When do you reopen?

If a change is needed after release, Reopen the document to set it back to Open. Edit it, then release again. Common reasons: customer changed quantities, wrong item added, or price update needed.

πŸ’‘ Exam tip: Release vs Post

Releasing does NOT post the document. It only locks editing and enables warehouse processing. Posting creates ledger entries. You can release without posting.

Question

What does releasing a document do?

Click or press Enter to reveal answer

Answer

Locks the document from editing and enables warehouse processing. Does NOT post or create ledger entries. To edit after release, you must Reopen first.

Click to flip back

Knowledge Check

A released sales order needs one more item added. What should you do?

Prepayment Invoices

Some transactions need money upfront. Coastal Traders requires 30 percent from new customers on large orders. Their supplier Global Parts Ltd asks for 50 percent on custom-manufactured components.

Setting up prepayment percentages

You can set prepayment percentages at multiple levels. The most specific wins:

LevelWhereExample
Customer/Vendor cardPrepayment percent fieldAll orders require 30 percent
Item cardSales/Purchase Prepayment percentThis item always requires 50 percent
Sales/Purchase linePrepayment percent on the lineThis line overridden to 25 percent

Line level overrides Item level overrides Customer/Vendor level.

The prepayment workflow

Here is how a prepayment works for a 10,000 dollar order with 30 percent prepayment:

Step 1 β€” Create the sales order. The customer card shows 30 percent prepayment required.

Step 2 β€” Post the prepayment invoice. Use Posting > Prepayment > Post Prepayment Invoice. BC generates an invoice for 3,000 dollars (30 percent of 10,000).

Step 3 β€” Receive the prepayment. When the customer pays, Sofia records a payment in the cash receipt journal and applies it to the prepayment invoice.

Step 4 β€” Ship and invoice the order. Post the sales order with Ship and Invoice. BC automatically deducts the 3,000 dollar prepayment from the final invoice. The customer only owes 7,000 dollars.

Prepayment accounts

Prepayments post to a special Prepayment G/L Account (set up in General Posting Setup). This is a liability account β€” the money is not yet earned revenue. When the final invoice posts, the prepayment moves from the liability account to the revenue account.

πŸ’‘ Exam tip: Prepayment VAT

Prepayment invoices include VAT just like regular invoices. When the final invoice posts, the prepayment VAT is reversed so it’s not double-counted.

Prepayment credit memos

If a prepayment needs to be reversed (customer cancels before the order ships), post a Prepayment Credit Memo from the sales order to reverse the prepayment entries.

Question

How does BC apply prepayment percentage levels?

Click or press Enter to reveal answer

Answer

Line level overrides Item level overrides Customer/Vendor level. If a line says 25 percent, the item says 50 percent, and the customer says 30 percent β€” the line-level 25 percent wins.

Click to flip back

Putting it all together

Every financial document follows the same lifecycle: create, release, post β€” and if needed, correct with credit memos.

Knowledge Check

A posted purchase invoice for 5,000 dollars should have been 4,200 dollars. It has not been paid. What's the best approach?

🎬 Video coming soon


Next up: With financial documents mastered, let’s explore how to apply payments and manage customer and vendor ledger entries β€” the final step in closing the financial loop.

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