diff --git a/configuration/ibm/50001_power_vs.json b/configuration/ibm/50001_power_vs.json
index b4064a6..e3b5e06 100644
--- a/configuration/ibm/50001_power_vs.json
+++ b/configuration/ibm/50001_power_vs.json
@@ -1,20 +1,24 @@
 {
     "/sys/bus/spi/drivers/at25/spi12.0/eeprom": {
+        "CCIN": ["5C85"],
         "VINI": {
             "PN": [48, 50, 89, 75, 57, 52, 48]
         }
     },
     "/sys/bus/spi/drivers/at25/spi22.0/eeprom": {
+        "CCIN": ["5C85"],
         "VINI": {
             "PN": [48, 50, 89, 75, 57, 52, 48]
         }
     },
     "/sys/bus/spi/drivers/at25/spi32.0/eeprom": {
+        "CCIN": ["5C85"],
         "VINI": {
             "PN": [48, 50, 89, 75, 57, 52, 48]
         }
     },
     "/sys/bus/spi/drivers/at25/spi42.0/eeprom": {
+        "CCIN": ["5C85"],
         "VINI": {
             "PN": [48, 50, 89, 75, 57, 52, 48]
         }
diff --git a/configuration/ibm/50003_power_vs.json b/configuration/ibm/50003_power_vs.json
index b8b5008..2866c32 100644
--- a/configuration/ibm/50003_power_vs.json
+++ b/configuration/ibm/50003_power_vs.json
@@ -1,40 +1,48 @@
 {
     "/sys/bus/spi/drivers/at25/spi12.0/eeprom": {
+        "CCIN": ["5CF8"],
         "VINI": {
             "PN": [48, 51, 85, 72, 48, 57, 56]
         }
     },
     "/sys/bus/spi/drivers/at25/spi22.0/eeprom": {
+        "CCIN": ["5CF8"],
         "VINI": {
             "PN": [48, 51, 85, 72, 48, 57, 56]
         }
     },
     "/sys/bus/spi/drivers/at25/spi32.0/eeprom": {
+        "CCIN": ["5CF8"],
         "VINI": {
             "PN": [48, 51, 85, 72, 48, 57, 56]
         }
     },
     "/sys/bus/spi/drivers/at25/spi42.0/eeprom": {
+        "CCIN": ["5CF8"],
         "VINI": {
             "PN": [48, 51, 85, 72, 48, 57, 56]
         }
     },
     "/sys/bus/spi/drivers/at25/spi52.0/eeprom": {
+        "CCIN": ["5CF8"],
         "VINI": {
             "PN": [48, 51, 85, 72, 48, 57, 56]
         }
     },
     "/sys/bus/spi/drivers/at25/spi62.0/eeprom": {
+        "CCIN": ["5CF8"],
         "VINI": {
             "PN": [48, 51, 85, 72, 48, 57, 56]
         }
     },
     "/sys/bus/spi/drivers/at25/spi72.0/eeprom": {
+        "CCIN": ["5CF8"],
         "VINI": {
             "PN": [48, 51, 85, 72, 48, 57, 56]
         }
     },
     "/sys/bus/spi/drivers/at25/spi82.0/eeprom": {
+        "CCIN": ["5CF8"],
         "VINI": {
             "PN": [48, 51, 85, 72, 48, 57, 56]
         }
diff --git a/vpd-manager/include/utility/dbus_utility.hpp b/vpd-manager/include/utility/dbus_utility.hpp
index 344a637..39a4bf3 100644
--- a/vpd-manager/include/utility/dbus_utility.hpp
+++ b/vpd-manager/include/utility/dbus_utility.hpp
@@ -685,5 +685,31 @@
         return std::string{};
     }
 }
+
+/**
+ * @brief API to read DBus present property for the given inventory.
+ *
+ * @param[in] i_invObjPath - Inventory path.
+ * @return Present property value, false in case of any error.
+ */
+inline bool isInventoryPresent(const std::string& i_invObjPath)
+{
+    if (i_invObjPath.empty())
+    {
+        return false;
+    }
+
+    const auto& l_retValue =
+        dbusUtility::readDbusProperty(constants::pimServiceName, i_invObjPath,
+                                      constants::inventoryItemInf, "Present");
+
+    auto l_ptrPresence = std::get_if<bool>(&l_retValue);
+    if (!l_ptrPresence)
+    {
+        return false;
+    }
+
+    return (*l_ptrPresence);
+}
 } // namespace dbusUtility
 } // namespace vpd
diff --git a/vpd-manager/include/utility/vpd_specific_utility.hpp b/vpd-manager/include/utility/vpd_specific_utility.hpp
index 4fc553d..09c4719 100644
--- a/vpd-manager/include/utility/vpd_specific_utility.hpp
+++ b/vpd-manager/include/utility/vpd_specific_utility.hpp
@@ -727,5 +727,41 @@
     }
     return false;
 }
+
+/**
+ * @brief API to get CCIN for a given FRU from DBus.
+ *
+ * The API reads the CCIN for a FRU based on its inventory path.
+ *
+ * @param[in] i_invObjPath - Inventory path of the FRU.
+ * @return CCIN of the FRU on success, empty string otherwise.
+ */
+inline std::string getCcinFromDbus(const std::string& i_invObjPath)
+{
+    try
+    {
+        if (i_invObjPath.empty())
+        {
+            throw std::runtime_error("Empty EEPROM path, can't read CCIN");
+        }
+
+        const auto& l_retValue = dbusUtility::readDbusProperty(
+            constants::pimServiceName, i_invObjPath, constants::viniInf,
+            constants::kwdCCIN);
+
+        auto l_ptrCcin = std::get_if<types::BinaryVector>(&l_retValue);
+        if (!l_ptrCcin || (*l_ptrCcin).size() != constants::VALUE_4)
+        {
+            throw DbusException("Invalid CCIN read from Dbus");
+        }
+
+        return std::string((*l_ptrCcin).begin(), (*l_ptrCcin).end());
+    }
+    catch (const std::exception& l_ex)
+    {
+        logging::logMessage(l_ex.what());
+        return std::string{};
+    }
+}
 } // namespace vpdSpecificUtility
 } // namespace vpd
diff --git a/vpd-manager/src/manager.cpp b/vpd-manager/src/manager.cpp
index fd63ffc..437fdd9 100644
--- a/vpd-manager/src/manager.cpp
+++ b/vpd-manager/src/manager.cpp
@@ -329,9 +329,65 @@
 {
     for (const auto& [l_fruPath, l_recJson] : i_powerVsJsonObj.items())
     {
-        // TODO add special handling for PROC CCIN check.
+        nlohmann::json l_sysCfgJsonObj{};
+        if (m_worker.get() != nullptr)
+        {
+            l_sysCfgJsonObj = m_worker->getSysCfgJsonObj();
+        }
+
+        // The utility method will handle emty JSON case. No explicit
+        // handling required here.
+        auto l_inventoryPath = jsonUtility::getInventoryObjPathFromJson(
+            l_sysCfgJsonObj, l_fruPath);
+
+        // Mark it as failed if inventory path not found in JSON.
+        if (l_inventoryPath.empty())
+        {
+            o_failedPathList.push_back(l_fruPath);
+            continue;
+        }
+
+        // check if the FRU is present
+        if (!dbusUtility::isInventoryPresent(l_inventoryPath))
+        {
+            logging::logMessage(
+                "Inventory not present, skip updating part number. Path: " +
+                l_inventoryPath);
+            continue;
+        }
+
+        // check if the FRU needs CCIN check before updating PN.
+        if (l_recJson.contains("CCIN"))
+        {
+            const auto& l_ccinFromDbus =
+                vpdSpecificUtility::getCcinFromDbus(l_inventoryPath);
+
+            // Not an ideal situation as CCIN can't be empty.
+            if (l_ccinFromDbus.empty())
+            {
+                o_failedPathList.push_back(l_fruPath);
+                continue;
+            }
+
+            std::vector<std::string> l_ccinListFromJson = l_recJson["CCIN"];
+
+            if (find(l_ccinListFromJson.begin(), l_ccinListFromJson.end(),
+                     l_ccinFromDbus) == l_ccinListFromJson.end())
+            {
+                // Don't update PN in this case.
+                continue;
+            }
+        }
+
         for (const auto& [l_recordName, l_kwdJson] : l_recJson.items())
         {
+            // Record name can't be CCIN, skip processing as it is there for PN
+            // update based on CCIN check.
+            if (l_recordName == constants::kwdCCIN)
+            {
+                continue;
+            }
+
             for (const auto& [l_kwdName, l_kwdValue] : l_kwdJson.items())
             {
                 // Is value of type array.
@@ -341,24 +397,6 @@
                     continue;
                 }
 
-                nlohmann::json l_sysCfgJsonObj{};
-                if (m_worker.get() != nullptr)
-                {
-                    l_sysCfgJsonObj = m_worker->getSysCfgJsonObj();
-                }
-
-                // The utility method will handle empty JSON case. No explicit
-                // handling required here.
-                auto l_inventoryPath = jsonUtility::getInventoryObjPathFromJson(
-                    l_sysCfgJsonObj, l_fruPath);
-
-                // Mark it as failed if inventory path not found in JSON.
-                if (l_inventoryPath.empty())
-                {
-                    o_failedPathList.push_back(l_fruPath);
-                    continue;
-                }
-
                 // Get current Part number.
                 auto l_retVal = dbusUtility::readDbusProperty(
                     constants::pimServiceName, l_inventoryPath,