diff --git a/extensions/openpower-pels/callout.cpp b/extensions/openpower-pels/callout.cpp
new file mode 100644
index 0000000..53fe85d
--- /dev/null
+++ b/extensions/openpower-pels/callout.cpp
@@ -0,0 +1,102 @@
+#include "callout.hpp"
+
+#include <phosphor-logging/log.hpp>
+
+namespace openpower
+{
+namespace pels
+{
+namespace src
+{
+
+using namespace phosphor::logging;
+
+Callout::Callout(Stream& pel)
+{
+    pel >> _size >> _flags >> _priority >> _locationCodeSize;
+
+    if (_locationCodeSize)
+    {
+        _locationCode.resize(_locationCodeSize);
+        pel >> _locationCode;
+    }
+
+    size_t currentSize = 4 + _locationCodeSize;
+
+    // Read in the substructures until the end of this structure.
+    // Any stream overflows will throw an exception up to the SRC constructor
+    while (_size > currentSize)
+    {
+        // Peek the type
+        uint16_t type = 0;
+        pel >> type;
+        pel.offset(pel.offset() - 2);
+
+        switch (type)
+        {
+            case FRUIdentity::substructureType:
+            {
+                _fruIdentity = std::make_unique<FRUIdentity>(pel);
+                currentSize += _fruIdentity->flattenedSize();
+                break;
+            }
+            case PCEIdentity::substructureType:
+            {
+                _pceIdentity = std::make_unique<PCEIdentity>(pel);
+                currentSize += _pceIdentity->flattenedSize();
+                break;
+            }
+            case MRU::substructureType:
+            {
+                _mru = std::make_unique<MRU>(pel);
+                currentSize += _mru->flattenedSize();
+                break;
+            }
+            default:
+                log<level::ERR>("Invalid Callout subsection type",
+                                entry("CALLOUT_TYPE=0x%X", type));
+                throw std::runtime_error("Invalid Callout subsection type");
+                break;
+        }
+    }
+}
+
+size_t Callout::flattenedSize()
+{
+    size_t size = sizeof(_size) + sizeof(_flags) + sizeof(_priority) +
+                  sizeof(_locationCodeSize) + _locationCodeSize;
+
+    size += _fruIdentity ? _fruIdentity->flattenedSize() : 0;
+    size += _pceIdentity ? _pceIdentity->flattenedSize() : 0;
+    size += _mru ? _mru->flattenedSize() : 0;
+
+    return size;
+}
+
+void Callout::flatten(Stream& pel)
+{
+    pel << _size << _flags << _priority << _locationCodeSize;
+
+    if (_locationCodeSize)
+    {
+        pel << _locationCode;
+    }
+
+    if (_fruIdentity)
+    {
+        _fruIdentity->flatten(pel);
+    }
+
+    if (_pceIdentity)
+    {
+        _pceIdentity->flatten(pel);
+    }
+    if (_mru)
+    {
+        _mru->flatten(pel);
+    }
+}
+
+} // namespace src
+} // namespace pels
+} // namespace openpower
diff --git a/extensions/openpower-pels/callout.hpp b/extensions/openpower-pels/callout.hpp
new file mode 100644
index 0000000..ea28b7b
--- /dev/null
+++ b/extensions/openpower-pels/callout.hpp
@@ -0,0 +1,173 @@
+#pragma once
+
+#include "fru_identity.hpp"
+#include "mru.hpp"
+#include "pce_identity.hpp"
+#include "stream.hpp"
+
+namespace openpower
+{
+namespace pels
+{
+namespace src
+{
+
+/**
+ * @class Callout
+ *
+ * Represents a single FRU callout in the SRC's FRU callout
+ * subsection.
+ *
+ * The 'Callouts' class holds a list of these objects.
+ *
+ * The callout priority and location code are in this structure.
+ *
+ * There can also be up to one each of three types of substructures
+ * in a single callout:
+ *  * FRU Identity  (must be first if present)
+ *  * Power Controlling Enclosure (PCE)
+ *  * Manufacturing Replaceable Unit (MRU)
+ *
+ * These substructures have their own objects managed by unique_ptrs
+ * which will only be allocated if those substructures exist.
+ */
+class Callout
+{
+  public:
+    Callout() = delete;
+    ~Callout() = default;
+    Callout(const Callout&) = delete;
+    Callout& operator=(const Callout&) = delete;
+    Callout(Callout&&) = delete;
+    Callout& operator=(Callout&&) = delete;
+
+    /**
+     * @brief Constructor
+     *
+     * Fills in this class's data fields from the stream.
+     *
+     * @param[in] pel - the PEL data stream
+     */
+    explicit Callout(Stream& pel);
+
+    /**
+     * @brief Returns the size of this object when flattened into a PEL
+     *
+     * @return size_t - The size of the section
+     */
+    size_t flattenedSize();
+
+    /**
+     * @brief Flatten the object into the stream
+     *
+     * @param[in] stream - The stream to write to
+     */
+    void flatten(Stream& pel);
+
+    /**
+     * @brief Returns the priority field of a callout
+     *
+     * @return uint8_t - The priority
+     */
+    uint8_t priority() const
+    {
+        return _priority;
+    }
+
+    /**
+     * @brief Returns the location code of the callout
+     *
+     * @return std::string - The location code
+     */
+    std::string locationCode() const
+    {
+        std::string lc;
+        if (!_locationCode.empty())
+        {
+            // NULL terminated
+            lc = static_cast<const char*>(_locationCode.data());
+        }
+        return lc;
+    }
+
+    /**
+     * @brief Returns the FRU identity substructure
+     *
+     * @return const std::unique_ptr<FRUIdentity>&
+     */
+    const std::unique_ptr<FRUIdentity>& fruIdentity() const
+    {
+        return _fruIdentity;
+    }
+
+    /**
+     * @brief Returns the PCE identity substructure
+     *
+     * @return const std::unique_ptr<PCEIdentity>&
+     */
+    const std::unique_ptr<PCEIdentity>& pceIdentity() const
+    {
+        return _pceIdentity;
+    }
+
+    /**
+     * @brief Returns the MRU identity substructure
+     *
+     * @return const std::unique_ptr<FRUIdentity>&
+     */
+    const std::unique_ptr<MRU>& mru() const
+    {
+        return _mru;
+    }
+
+  private:
+    /**
+     * @brief The size of this structure in the PEL
+     */
+    uint8_t _size;
+
+    /**
+     * @brief The flags byte of this structure
+     */
+    uint8_t _flags;
+
+    /**
+     * @brief The replacement priority
+     */
+    uint8_t _priority;
+
+    /**
+     * @brief The length of the location code field.
+     *
+     * Includes the NULL termination, and must be a
+     * multiple of 4 (padded with zeros)
+     */
+    uint8_t _locationCodeSize;
+
+    /**
+     * @brief NULL terminated location code
+     *
+     * Includes the NULL termination, and must be a
+     * multiple of 4 (padded with zeros)
+     */
+    std::vector<char> _locationCode;
+
+    /**
+     * @brief FRU (Field Replaceable Unit) Identity substructure
+     */
+    std::unique_ptr<FRUIdentity> _fruIdentity;
+
+    /**
+     * @brief PCE (Power Controlling Enclosure) Identity substructure
+     */
+    std::unique_ptr<PCEIdentity> _pceIdentity;
+
+    /**
+     * @brief MRU (Manufacturing Replaceable Unit) substructure
+     */
+    std::unique_ptr<MRU> _mru;
+};
+
+} // namespace src
+} // namespace pels
+} // namespace openpower
diff --git a/extensions/openpower-pels/openpower-pels.mk b/extensions/openpower-pels/openpower-pels.mk
index fdc998d..9308159 100644
--- a/extensions/openpower-pels/openpower-pels.mk
+++ b/extensions/openpower-pels/openpower-pels.mk
@@ -1,6 +1,7 @@
 phosphor_log_manager_SOURCES += \
 	extensions/openpower-pels/ascii_string.cpp \
 	extensions/openpower-pels/bcd_time.cpp \
+	extensions/openpower-pels/callout.cpp \
 	extensions/openpower-pels/data_interface.cpp \
 	extensions/openpower-pels/entry_points.cpp \
 	extensions/openpower-pels/failing_mtms.cpp \