diff --git a/proto/spaceone/api/cost_analysis/v1/cost_report.proto b/proto/spaceone/api/cost_analysis/v1/cost_report.proto
index 40f8749e..8bfa67f7 100644
--- a/proto/spaceone/api/cost_analysis/v1/cost_report.proto
+++ b/proto/spaceone/api/cost_analysis/v1/cost_report.proto
@@ -103,9 +103,11 @@ message CostReportInfo {
   string report_month = 9;
   string workspace_name = 10;
   string bank_name = 11;
+  bool is_adjusted = 12;
   string cost_report_config_id = 21;
-  string workspace_id = 22;
-  string domain_id = 23;
+  string project_id = 22;
+  string workspace_id = 23;
+  string domain_id = 24;
   string created_at = 31;
 }
 
diff --git a/proto/spaceone/api/cost_analysis/v1/cost_report_config.proto b/proto/spaceone/api/cost_analysis/v1/cost_report_config.proto
index f399ba9e..4fce1ae2 100644
--- a/proto/spaceone/api/cost_analysis/v1/cost_report_config.proto
+++ b/proto/spaceone/api/cost_analysis/v1/cost_report_config.proto
@@ -82,19 +82,32 @@ service CostReportConfig {
   }
 }
 
+message AdjustmentOptions {
+  bool enabled = 1;
+  int32 period = 2;
+}
+
 message CreateCostReportConfigRequest {
+  enum Scope {
+    SCOPE_NONE = 0;
+    WORKSPACE = 1;
+    PROJECT = 2;
+  }
+  Scope scope = 1;
   // +optional
-  int32 issue_day = 1;
+  int32 issue_day = 2;
   // +optional
-  bool is_last_day = 2;
+  bool is_last_day = 3;
   // +optional
-  string currency = 3;
-  google.protobuf.Struct recipients = 4;
+  AdjustmentOptions adjustment_options = 4;
   // +optional
-  google.protobuf.Struct data_source_filter = 5;
+  string currency = 6;
+  google.protobuf.Struct recipients = 7;
+  // +optional
+  google.protobuf.Struct data_source_filter = 8;
   // Default `en`
   // +optional
-  string language = 6;
+  string language = 9;
 }
 
 message UpdateCostReportConfigRequest {
@@ -105,11 +118,13 @@ message UpdateCostReportConfigRequest {
   // +optional
   bool is_last_day = 3;
   // +optional
-  string currency = 4;
+  AdjustmentOptions adjustment_options = 4;
   // +optional
-  google.protobuf.Struct data_source_filter = 5;
+  string currency = 6;
   // +optional
-  string language = 6;
+  google.protobuf.Struct data_source_filter = 7;
+  // +optional
+  string language = 8;
 
 }
 
@@ -130,6 +145,12 @@ message CostReportConfigQuery {
     DISABLED = 2;
   }
 
+  enum Scope {
+    SCOPE_NONE = 0;
+    WORKSPACE = 1;
+    PROJECT = 2;
+  }
+
   // +optional
   spaceone.api.core.v2.Query query = 1;
   // The ID of cost report in the Protocol.
@@ -137,6 +158,8 @@ message CostReportConfigQuery {
   string cost_report_config_id = 2;
   // +optional
   State state = 3;
+  // +optional
+  Scope scope = 4;
 }
 
 message CostReportConfigInfo {
@@ -147,15 +170,23 @@ message CostReportConfigInfo {
     DELETED = 3;
   }
 
+  enum Scope {
+    SCOPE_NONE = 0;
+    WORKSPACE = 1;
+    PROJECT = 2;
+  }
+
   // The ID of cost report in the Protocol.
   string cost_report_config_id = 1;
   State state = 2;
-  int32 issue_day = 3;
-  bool is_last_day = 4;
-  string currency = 6;
-  google.protobuf.Struct recipients = 7;
-  google.protobuf.Struct data_source_filter = 8;
-  string language = 9;
+  Scope scope = 3;
+  int32 issue_day = 4;
+  bool is_last_day = 5;
+  AdjustmentOptions adjustment_options = 6;
+  string currency = 8;
+  google.protobuf.Struct recipients = 9;
+  google.protobuf.Struct data_source_filter = 10;
+  string language = 11;
   string domain_id = 21;
   string created_at = 31;
   string updated_at = 32;
diff --git a/proto/spaceone/api/cost_analysis/v1/cost_report_data.proto b/proto/spaceone/api/cost_analysis/v1/cost_report_data.proto
index f448af75..2622b6cf 100644
--- a/proto/spaceone/api/cost_analysis/v1/cost_report_data.proto
+++ b/proto/spaceone/api/cost_analysis/v1/cost_report_data.proto
@@ -84,19 +84,21 @@ message CostReportDataInfo {
   string report_year = 5;
   string report_month = 6;
   bool is_confirmed = 7;
-  string provider = 8;
-  string product = 9;
-  string service_account_name = 10;
-  string data_source_name = 11;
-  string project_name = 12;
-  string workspace_name = 13;
+  bool is_adjusted = 8;
+  string provider = 9;
+  string product = 10;
+  string service_account_name = 11;
+  string data_source_name = 12;
+  string project_name = 13;
+  string workspace_name = 14;
   string domain_id = 21;
   string workspace_id = 22;
   string project_id = 23;
   string cost_report_config_id = 24;
-  string cost_report_id = 25;
-  string data_source_id = 26;
-  string service_account_id = 27;
+  string report_adjustment_policy_id = 25;
+  string cost_report_id = 26;
+  string data_source_id = 27;
+  string service_account_id = 28;
   string created_at = 31;
 }
 
diff --git a/proto/spaceone/api/cost_analysis/v1/report_adjustment.proto b/proto/spaceone/api/cost_analysis/v1/report_adjustment.proto
new file mode 100644
index 00000000..0c6dd4c6
--- /dev/null
+++ b/proto/spaceone/api/cost_analysis/v1/report_adjustment.proto
@@ -0,0 +1,148 @@
+syntax = "proto3";
+
+package spaceone.api.cost_analysis.v1;
+
+option go_package = "github.com/cloudforet-io/api/dist/go/spaceone/api/cost_analysis/v1";
+
+import "google/api/annotations.proto";
+import "google/protobuf/empty.proto";
+import "google/protobuf/struct.proto";
+import "spaceone/api/core/v2/query.proto";
+import "spaceone/api/cost_analysis/v1/job.proto";
+
+service ReportAdjustment {
+  rpc create (CreateReportAdjustmentRequest) returns (ReportAdjustmentInfo) {
+    option (google.api.http) = {
+      post: "/cost-analysis/v1/report-adjustment/create",
+      body: "*"
+    };
+  }
+
+  rpc update (UpdateReportAdjustmentRequest) returns (ReportAdjustmentInfo) {
+    option (google.api.http) = {
+      post: "/cost-analysis/v1/report-adjustment/update",
+      body: "*"
+    };
+  }
+
+  rpc change_order (ChangeOrderReportAdjustmentRequest) returns (ReportAdjustmentInfo) {
+    option (google.api.http) = {
+      post: "/cost-analysis/v1/report-adjustment/change-order",
+      body: "*"
+    };
+  }
+
+  rpc delete (ReportAdjustmentRequest) returns (google.protobuf.Empty) {
+    option (google.api.http) = {
+      post: "/cost-analysis/v1/report-adjustment/delete"
+      body: "*"
+    };
+  }
+
+  rpc get (ReportAdjustmentRequest) returns (ReportAdjustmentInfo) {
+    option (google.api.http) = {
+      post: "/cost-analysis/v1/report-adjustment/get",
+      body: "*"
+    };
+  }
+
+  rpc list (ReportAdjustmentQuery) returns (ReportAdjustmentsInfo) {
+    option (google.api.http) = {
+      post: "/cost-analysis/v1/report-adjustment/list",
+      body: "*"
+    };
+  }
+
+}
+
+enum AdjustmentMethod {
+  METHOD_NONE = 0;
+  FIXED = 1;
+  RATE = 2;
+}
+
+message CreateReportAdjustmentRequest {
+  string name = 1;
+  AdjustmentMethod method = 2;
+  float value = 3;
+  // +optional
+  string description = 4;
+  // +optional
+  string provider = 5;
+  // +optional
+  string currency = 6;
+  // +optional
+  int32 order = 7;
+  // +optional
+  google.protobuf.Struct filters = 8;
+  string report_adjustment_policy_id = 10;
+}
+
+message UpdateReportAdjustmentRequest {
+  string report_adjustment_id = 1;
+  // +optional
+  string name = 2;
+  // +optional
+  AdjustmentMethod method = 3;
+  // +optional
+  float value = 4;
+  // +optional
+  string description = 5;
+  // +optional
+  string provider = 6;
+  // +optional
+  google.protobuf.Struct filters = 7;
+}
+
+message ChangeOrderReportAdjustmentRequest {
+  string report_adjustment_id = 1;
+  int32 order = 2;
+}
+
+message ReportAdjustmentRequest {
+  string report_adjustment_id = 1;
+}
+
+message ReportAdjustmentQuery {
+  enum State {
+    NONE = 0;
+    ENABLED = 1;
+    DISABLED = 2;
+    DELETED = 3;
+  }
+  // +optional
+  spaceone.api.core.v2.Query query = 1;
+  // +optional
+  string name = 2;
+  // +optional
+  State state = 3;
+  // +optional
+  string workspace_id = 4;
+  // +optional
+  string project_id = 5;
+}
+
+message ReportAdjustmentInfo {
+  string report_adjustment_id = 1;
+  string name = 2;
+  AdjustmentMethod method = 3;
+  float value = 4;
+  string description = 5;
+  string provider = 6;
+  string currency = 7;
+  int32 order = 8;
+  google.protobuf.Struct filters = 9;
+
+  string created_at = 11;
+  string updated_at = 12;
+  string deleted_at = 13;
+
+  string cost_report_config_id = 19;
+  string report_adjustment_policy_id = 20;
+  string domain_id = 21;
+}
+
+message ReportAdjustmentsInfo {
+  repeated ReportAdjustmentInfo results = 1;
+  int32 total_count = 2;
+}
\ No newline at end of file
diff --git a/proto/spaceone/api/cost_analysis/v1/report_adjustment_policy.proto b/proto/spaceone/api/cost_analysis/v1/report_adjustment_policy.proto
new file mode 100644
index 00000000..c2ec58b1
--- /dev/null
+++ b/proto/spaceone/api/cost_analysis/v1/report_adjustment_policy.proto
@@ -0,0 +1,149 @@
+syntax = "proto3";
+
+package spaceone.api.cost_analysis.v1;
+
+option go_package = "github.com/cloudforet-io/api/dist/go/spaceone/api/cost_analysis/v1";
+
+import "google/api/annotations.proto";
+import "google/protobuf/empty.proto";
+import "google/protobuf/struct.proto";
+import "spaceone/api/core/v2/query.proto";
+import "spaceone/api/cost_analysis/v1/job.proto";
+
+service ReportAdjustmentPolicy {
+  rpc create (CreateReportAdjustmentPolicyRequest) returns (ReportAdjustmentPolicyInfo) {
+    option (google.api.http) = {
+      post: "/cost-analysis/v1/report-adjustment-policy/create",
+      body: "*"
+    };
+  }
+
+  rpc update (UpdateReportAdjustmentPolicyRequest) returns (ReportAdjustmentPolicyInfo) {
+    option (google.api.http) = {
+      post: "/cost-analysis/v1/report-adjustment-policy/update",
+      body: "*"
+    };
+  }
+
+  rpc change_order (ChangeOrderReportAdjustmentPolicyRequest) returns (ReportAdjustmentPolicyInfo) {
+    option (google.api.http) = {
+      post: "/cost-analysis/v1/report-adjustment-policy/change-order",
+      body: "*"
+    };
+  }
+
+  rpc delete (ReportAdjustmentPolicyRequest) returns (google.protobuf.Empty) {
+    option (google.api.http) = {
+      post: "/cost-analysis/v1/report-adjustment-policy/delete"
+      body: "*"
+    };
+  }
+
+  rpc get (ReportAdjustmentPolicyRequest) returns (ReportAdjustmentPolicyInfo) {
+    option (google.api.http) = {
+      post: "/cost-analysis/v1/report-adjustment-policy/get",
+      body: "*"
+    };
+  }
+
+  rpc list (ReportAdjustmentPolicyQuery) returns (ReportAdjustmentPolicesInfo) {
+    option (google.api.http) = {
+      post: "/cost-analysis/v1/report-adjustment-policy/list",
+      body: "*"
+    };
+  }
+
+}
+
+message CreateReportAdjustmentPolicyRequest {
+  enum Scope {
+    SCOPE_NONE = 0;
+    WORKSPACE = 1;
+    PROJECT = 2;
+  }
+  string name = 1;
+  Scope scope = 2;
+  string cost_report_config_id = 3;
+  // +optional
+  int32 order = 4;
+  // +optional
+  google.protobuf.Struct tags = 6;
+  // +optional
+  string project_id = 7;
+  // +optional
+  string workspace_id = 8;
+}
+
+message UpdateReportAdjustmentPolicyRequest {
+  string report_adjustment_policy_id = 1;
+  // +optional
+  string name = 2;
+  // +optional
+  google.protobuf.Struct tags = 6;
+  // +optional
+  string workspace_id = 8;
+}
+
+message ChangeOrderReportAdjustmentPolicyRequest {
+  string report_adjustment_policy_id = 1;
+  int32 order = 2;
+}
+
+message ReportAdjustmentPolicyRequest {
+  string report_adjustment_policy_id = 1;
+}
+
+message ReportAdjustmentPolicyQuery {
+  enum State {
+    NONE = 0;
+    ENABLED = 1;
+    DISABLED = 2;
+    DELETED = 3;
+  }
+  // +optional
+  spaceone.api.core.v2.Query query = 1;
+  // +optional
+  string name = 2;
+  // +optional
+  State state = 3;
+  // +optional
+  string workspace_id = 4;
+  // +optional
+  string project_id = 5;
+}
+
+message ReportAdjustmentPolicyInfo {
+  enum Scope {
+    SCOPE_NONE = 0;
+    WORKSPACE = 1;
+    PROJECT = 2;
+  }
+
+  enum State {
+    NONE = 0;
+    ENABLED = 1;
+    DISABLED = 2;
+    DELETED = 3;
+  }
+  string report_adjustment_policy_id = 1;
+  string name = 2;
+  State state = 3;
+  repeated string adjustments = 4;
+  Scope scope = 5;
+  int32 order = 6;
+  google.protobuf.Struct tags = 7;
+  string cost_report_config_id = 8;
+
+  string created_at = 11;
+  string updated_at = 12;
+  string deleted_at = 13;
+
+  string project_id = 21;
+  string workspace_id = 22;
+  string domain_id = 23;
+}
+
+message ReportAdjustmentPolicesInfo {
+  repeated ReportAdjustmentPolicyInfo results = 1;
+  int32 total_count = 2;
+}
\ No newline at end of file