diff --git a/certs_manager.hpp b/certs_manager.hpp
index 89887f7..fe35a3f 100644
--- a/certs_manager.hpp
+++ b/certs_manager.hpp
@@ -18,6 +18,8 @@
 #include <vector>
 #include <xyz/openbmc_project/Certs/CSR/Create/server.hpp>
 #include <xyz/openbmc_project/Certs/Install/server.hpp>
+#include <xyz/openbmc_project/Certs/InstallAll/server.hpp>
+#include <xyz/openbmc_project/Certs/ReplaceAll/server.hpp>
 #include <xyz/openbmc_project/Collection/DeleteAll/server.hpp>
 
 namespace phosphor::certs
@@ -28,7 +30,9 @@
 using ManagerInterface = sdbusplus::server::object_t<
     sdbusplus::xyz::openbmc_project::Certs::server::Install,
     sdbusplus::xyz::openbmc_project::Certs::CSR::server::Create,
-    sdbusplus::xyz::openbmc_project::Collection::server::DeleteAll>;
+    sdbusplus::xyz::openbmc_project::Collection::server::DeleteAll,
+    sdbusplus::xyz::openbmc_project::Certs::server::InstallAll,
+    sdbusplus::xyz::openbmc_project::Certs::server::ReplaceAll>;
 }
 
 class Manager : public internal::ManagerInterface
@@ -73,6 +77,27 @@
      */
     std::string install(const std::string filePath) override;
 
+    /** @brief Implementation for InstallAll
+     *  Install the authority list and restart the associated services.
+     *
+     *  @param[in] path - Path of the file that contains a list of root
+     * certificates.
+     *
+     *  @return D-Bus object path to created objects.
+     */
+    std::vector<sdbusplus::message::object_path>
+        installAll(std::string path) override;
+
+    /** @brief Implementation for ReplaceAll
+     *  Replace the current authority lists and restart the associated services.
+     *
+     *  @param[in] path - Path of file that contains multiple root certificates.
+     *
+     *  @return D-Bus object path to created objects.
+     */
+    std::vector<sdbusplus::message::object_path>
+        replaceAll(std::string filePath) override;
+
     /** @brief Implementation for DeleteAll
      *  Delete all objects in the collection.
      */
@@ -175,6 +200,12 @@
      */
     std::vector<std::unique_ptr<Certificate>>& getCertificates();
 
+    /** @brief Systemd unit reload or reset helper function
+     *  Reload if the unit supports it and use a restart otherwise.
+     *  @param[in] unit - service need to reload.
+     */
+    virtual void reloadOrReset(const std::string& unit);
+
   private:
     void generateCSRHelper(std::vector<std::string> alternativeNames,
                            std::string challengePassword, std::string city,
@@ -262,12 +293,6 @@
      */
     void storageUpdate();
 
-    /** @brief Systemd unit reload or reset helper function
-     *  Reload if the unit supports it and use a restart otherwise.
-     *  @param[in] unit - service need to reload.
-     */
-    void reloadOrReset(const std::string& unit);
-
     /** @brief Check if provided certificate is unique across all certificates
      * on the internal list.
      *  @param[in] certFilePath - Path to the file with certificate for