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diff --git a/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/chr/plan/PostCommitOp.java b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/chr/plan/PostCommitOp.java
new file mode 100644
index 000000000..edbb975d5
--- /dev/null
+++ b/bundles/org.simantics.scl.compiler/src/org/simantics/scl/compiler/elaboration/chr/plan/PostCommitOp.java
@@ -0,0 +1,69 @@
+package org.simantics.scl.compiler.elaboration.chr.plan;
+
+import org.simantics.scl.compiler.compilation.CompilationContext;
+import org.simantics.scl.compiler.constants.IntegerConstant;
+import org.simantics.scl.compiler.constants.singletons.NullCheck;
+import org.simantics.scl.compiler.elaboration.chr.relations.CHRConstraint;
+import org.simantics.scl.compiler.internal.codegen.continuations.ICont;
+import org.simantics.scl.compiler.internal.codegen.references.IVal;
+import org.simantics.scl.compiler.internal.codegen.writer.CodeWriter;
+
+public class PostCommitOp extends PlanOp {
+    int priority;
+    
+    public PostCommitOp(long location, int priority) {
+        super(location);
+        this.priority = priority;
+    }
+
+    @Override
+    public void toString(StringBuilder b) {
+        b.append("POST_COMMIT " + priority);
+    }
+
+    @Override
+    public void generateCode(CompilationContext context, PlanContext planContext, CodeWriter w) {
+        if(planContext.currentId != null) {
+            w.apply(location, planContext.ruleset.writeCurrentId, planContext.storeVar, planContext.currentId);
+            planContext.currentId = null;
+            w.apply(location, planContext.ruleset.activateProcedure, planContext.storeVar, new IntegerConstant(priority));
+        }
+        for(PartnerFact activeFact : planContext.partnerFacts) {
+            if(activeFact.killAfterMatch) {
+                if(activeFact.nextFact == null)
+                    w.jump(activeFact.finishCont);
+                else {
+                    CodeWriter iterateAlive = w.createBlock(activeFact.constraint.factType);
+                    w.jump(iterateAlive.getContinuation(), w.apply(location, activeFact.nextFact, activeFact.factVar));
+                    iterateUntilLiveFactFound(iterateAlive, activeFact);                    
+                }
+                break;
+            }
+            else if(activeFact.mayBeRemoved) {
+                if(activeFact.nextFact == null) {
+                    w.branchAwayUnless(activeFact.isAlive(location, w), activeFact.finishCont);
+                }
+                else {
+                    CodeWriter failure = w.createBlock();
+                    CodeWriter iterateAlive = w.createBlock(activeFact.constraint.factType);
+                    w.branchAwayUnless(activeFact.isAlive(location, w), failure.getContinuation());
+                    failure.jump(iterateAlive.getContinuation(), failure.apply(location, activeFact.nextFact, activeFact.factVar));
+                    iterateUntilLiveFactFound(iterateAlive, activeFact);     
+                }
+            }
+        }
+        // PostCommit does not call nextOp
+    }
+    
+    private void iterateUntilLiveFactFound(CodeWriter w, PartnerFact activeFact) {
+        ICont initialContinuation = w.getContinuation();
+        CHRConstraint constraint = activeFact.constraint;
+        IVal fact = w.getParameters()[0];
+        CodeWriter dead = w.createBlock();
+        w.branchAwayIf(w.apply(location, NullCheck.INSTANCE.createSpecialization(constraint.factType), fact), activeFact.finishCont);
+        w.branchAwayUnless(activeFact.isAlive(location, w, fact), dead.getContinuation());
+        w.jump(activeFact.continueCont, fact);
+        dead.jump(initialContinuation, dead.apply(location, activeFact.nextFact, fact));
+    }
+
+}