diff --git a/clearing-parent/clearing-service/src/main/java/ru/spcex/clearing/session/stage/impl/FormingPaymentInstructionSecurities.java b/clearing-parent/clearing-service/src/main/java/ru/spcex/clearing/session/stage/impl/FormingPaymentInstructionSecurities.java
index d7891c4ed..fb11195b2 100644
--- a/clearing-parent/clearing-service/src/main/java/ru/spcex/clearing/session/stage/impl/FormingPaymentInstructionSecurities.java
+++ b/clearing-parent/clearing-service/src/main/java/ru/spcex/clearing/session/stage/impl/FormingPaymentInstructionSecurities.java
@@ -154,7 +154,7 @@ public class FormingPaymentInstructionSecurities implements ISessionStage {
                     .stream()
                     .collect(Collectors.groupingBy(Registry::getGroupId));
             log.debug("groups.size = {}", groups.size());
-            Map<Long, PaymentGroup> lstGroups = RegistryLiabilitiesGroup.group(registries);
+            Map<Long, PaymentGroup> lstGroups = RegistryLiabilitiesGroup.group(groups);
             for (Map.Entry<Long, List<Registry>> group : groups.entrySet()) {
                 Long groupId = group.getKey();
                 Function<RegistryTradingParams, Registry> findByCode = rgsCode -> group.getValue()
diff --git a/clearing-parent/clearing-service/src/main/java/ru/spcex/clearing/session/stage/payment/group/RegistryLiabilitiesGroup.java b/clearing-parent/clearing-service/src/main/java/ru/spcex/clearing/session/stage/payment/group/RegistryLiabilitiesGroup.java
index 96a2bf069..b6934aecc 100644
--- a/clearing-parent/clearing-service/src/main/java/ru/spcex/clearing/session/stage/payment/group/RegistryLiabilitiesGroup.java
+++ b/clearing-parent/clearing-service/src/main/java/ru/spcex/clearing/session/stage/payment/group/RegistryLiabilitiesGroup.java
@@ -4,44 +4,56 @@ import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 import ru.clearing.classes.statics.data.registry.Registry;
 import ru.spcex.clearing.service.registry.RegistryManager;
+import ru.spcex.platform.enumeration.RegistryTradingParams;
+import ru.spcex.platform.utils.collection.Pair;
+import ru.spcex.platform.utils.text.TextUtil;
 
 import java.math.BigDecimal;
 import java.util.*;
 import java.util.stream.Collectors;
 
+import static ru.spcex.platform.enumeration.RegistryTradingParams.CS_T;
 import static ru.spcex.platform.enumeration.RegistryTradingParams.LS_T;
 
 public class RegistryLiabilitiesGroup {
-    private Logger log = LoggerFactory.getLogger(getClass());
+    private static final Logger log = LoggerFactory.getLogger(RegistryLiabilitiesGroup.class);
 
-    public static RegistryLiabilitiesGroup builder() {
-        return new RegistryLiabilitiesGroup();
-    }
-
-    private RegistryLiabilitiesGroup() {
-    }
-
-    public static Map<Long, PaymentGroup> group(Collection<Registry> registriesCollection) {
+    public static Map<Long, PaymentGroup> group(Map<Long, List<Registry>> registriesCollection) {
         Map<Long, PaymentGroup> result = new HashMap<>();
-        List<Registry> registries = registriesCollection
+        List<Pair<Registry, Registry>> lstCstGroup = registriesCollection.entrySet()
                 .stream()
-                .filter(rgs -> RegistryManager.equalsByCode(LS_T, rgs))
+                .map(entry -> {
+                    Long groupId = entry.getKey();
+                    List<Registry> value = entry.getValue();
+                    Registry ls_t = obtain(value, LS_T);
+                    Registry cs_t = obtain(value, CS_T);
+                    if (ls_t == null || cs_t == null) {
+                        log.error("groupId {} registries {} failed to find LS_T/CS_T", groupId, value.stream()
+                                .map(Registry::getId)
+                                .map(Object::toString)
+                                .collect(TextUtil.join));
+                        return null;
+                    }
+                    return new Pair<>(ls_t, cs_t);
+                })
                 .collect(Collectors.toList());
-        for (int i = 0; i < registries.size(); i++) {
-            Registry ls_t = registries.get(i);
-            if (ls_t == null) {
+        for (int i = 0; i < lstCstGroup.size(); i++) {
+            var pair = lstCstGroup.get(i);
+            if (pair == null) {
                 continue;
             }
+            Registry ls_t = pair.getFirst();
             LinkedList<Registry> relatedLiabilities = new LinkedList<>();
             relatedLiabilities.add(ls_t);
-            for (int j = i + 1; j < registries.size(); j++) {
-                Registry related = registries.get(j);
-                if (related == null) {
+            for (int j = i + 1; j < lstCstGroup.size(); j++) {
+                var anotherGroup = lstCstGroup.get(j);
+                if (anotherGroup == null) {
                     continue;
                 }
-                if (rgsOfTheSameAgents(ls_t, related)) {
+                Registry related = anotherGroup.getFirst();
+                if (rgsOfTheSameAgents(pair.getFirst(), pair.getSecond(), anotherGroup.getFirst(), anotherGroup.getSecond())) {
                     relatedLiabilities.add(related);
-                    registries.set(j, null);
+                    lstCstGroup.set(j, null);
                 }
             }
             PaymentGroup paymentGroup = new PaymentGroup();
@@ -57,10 +69,25 @@ public class RegistryLiabilitiesGroup {
         return result;
     }
 
-    private static boolean rgsOfTheSameAgents(Registry ls_t1, Registry ls_t2) {
+    private static boolean rgsOfTheSameAgents(Registry ls_t1, Registry cs_t1, Registry ls_t2, Registry cs_t2) {
         return Objects.equals(ls_t1.getSecurityId(), ls_t2.getSecurityId())
                 && Objects.equals(ls_t1.getTradingClearingRegistryId(), ls_t2.getTradingClearingRegistryId())
+                && Objects.equals(cs_t1.getTradingClearingRegistryId(), cs_t2.getTradingClearingRegistryId())
                 && Objects.equals(ls_t1.getCompanyId(), ls_t2.getCompanyId())
                 && Objects.equals(ls_t1.getCounterPartyId(), ls_t2.getCounterPartyId());
     }
+
+    private static Registry obtain(Collection<Registry> group, RegistryTradingParams cde) {
+        List<Registry> allRegistries = group
+                .stream()
+                .filter(rgs -> RegistryManager.equalsByCode(cde, rgs))
+                .toList();
+        if (allRegistries.size() > 1) {
+            throw new IllegalStateException("more than one " + cde + " entry in group " + group.iterator().next().getGroupId());
+        }
+        if (allRegistries.size() == 1) {
+            return allRegistries.iterator().next();
+        }
+        return null;
+    }
 }