MM / P2Pintermediate

MM Goods Receipt and Goods Issue Part 3: Goods Issue for Consumption and Production

Key takeaway

Issue stock correctly: goods issue to cost center (201), production order (261), project (221), sales order, scrapping (551), with reservations, backflushing, account assignment and consumption accounts, and controls against issuing blocked stock or negative stock.

Explanation

📌 KEY POINTS
✅ Goods issues reduce stock and post consumption to the account assignment (cost center, order, project).
✅ Reservations (e.g. from production orders or MB21) plan issues; backflushing posts automatically at confirmation.
✅ Consumption accounts are found via account determination (e.g. GBB with account modifier VBR for 201).
✅ Scrapping (551) posts to scrap expense with a reason.
⚠️ Allowing negative stock hides timing errors and valuation issues.

━━━━━━━━━━━━━━━━━━━━
▶ WHERE WE ARE
Part 2 covered receipts. Now issues.

━━━━━━━━━━━━━━━━━━━━
▶ 1. ISSUE TYPES

201 cost center, 261 order, 221 project, 231 sales order, 551 scrapping.

━━━━━━━━━━━━━━━━━━━━
▶ 2. RESERVATIONS

Manual (MB21), from production/maintenance orders; issue with reference.

━━━━━━━━━━━━━━━━━━━━
▶ 3. BACKFLUSH

Automatic 261 at confirmation for flagged components.

━━━━━━━━━━━━━━━━━━━━
▶ 4. ACCOUNTING

Dr consumption (GBB-VBR etc.) Cr stock (BSX).

━━━━━━━━━━━━━━━━━━━━
▶ 5. CONTROLS

Issue only unrestricted stock; negative stock settings; reason codes for scrapping.

━━━━━━━━━━━━━━━━━━━━
▶ STEP BY STEP

Create a reservation for a cost center.
Issue with 201 referencing it.
Scrap 2 units with 551.

✅ CHECKPOINT: consumption appears on the cost center and scrap expense account.

Code example

ABAP Code

===== STEP 1: postings =====201: Dr consumption (GBB-VBR) Cr stock (BSX) with cost center261: Dr consumption (GBB-VBR) Cr stock with production order551: Dr scrap expense (GBB-VNG) Cr stock with reason for movement ===== STEP 2: reservations =====MB21 reservation → MIGO goods issue with reference to reservation | production order components → backflush at confirmation ===== STEP 3: controls =====Negative stock only where justified | reasons for scrapping mandatory

Real project scenario

Production inventory matched physical stock, but cost center consumption was inflated: operators issued components with 201 to the plant cost center instead of 261 to production orders, so product costs were understated. Enforcing issues via reservations/backflush for production components fixed product costing.

Common mistakes

201 instead of 261 for production.
No reservations.
Negative stock allowed widely.
Scrap without reasons.
Issuing from quality stock.

Best practices

Use order-based issues for production.
Use reservations/backflush.
Restrict negative stock.
Require scrap reasons.
Review consumption accounts.

Interview angle

Questions: "Which movement types for goods issues?", "What is backflushing?", "How is the consumption account found?"
Strong answer: 201/261/221/551, reservations, backflush, GBB modifiers, controls.

Practice this lesson

Quick check

1. Production components were issued with 201 to a plant cost center instead of to production orders. What is the impact?

2. In a subcontracting process, after the vendor returns the finished material and the goods receipt is posted with movement type 101, which movement type does the system automatically use to post the consumption of the components provided to the vendor?

3. A production supervisor needs to issue raw materials from the warehouse for consumption by a cost center for general overhead purposes. Which movement type is typically used for this goods issue?

Interview questions

1. A plant allows negative stock, and a goods issue posted before the corresponding goods receipt causes valuation distortion once the GR is finally entered at a different price. What is happening and how would you architect a solution to prevent recurring financial misstatement?

Answer it in your own words first, then compare.

2. Cost centers show unexpected component consumption while production orders appear too cheap. How do you design goods issue controls?

Answer it in your own words first, then compare.

Practice more with Interview AI →

Reference-verified: the steps are checked against official SAP documentation and tutorials, and object and field names in the sample code are checked for consistency. The code has not been compiled or run on an SAP system by ERPClimb. Syntax marked release-dependent varies by SAP release, so check it in your own system.