diff --git a/docs/mammon-api.yml b/docs/mammon-api.yml
index f3de671..f80336e 100644
--- a/docs/mammon-api.yml
+++ b/docs/mammon-api.yml
@@ -108,6 +108,57 @@ paths:
             '*/*':
               schema:
                 $ref: "#/components/schemas/CombinedLedgerResponse"
+  /characters/{characterId}/rule-book:
+    get:
+      tags:
+      - rule-book-controller
+      operationId: findByCharacterId
+      parameters:
+      - name: characterId
+        in: path
+        required: true
+        schema:
+          type: integer
+          format: int64
+      responses:
+        "404":
+          description: Not Found
+        "400":
+          description: Bad Request
+        "200":
+          description: OK
+          content:
+            '*/*':
+              schema:
+                $ref: "#/components/schemas/RuleBookResponse"
+    post:
+      tags:
+      - rule-book-controller
+      operationId: setCharacterRuleBook
+      parameters:
+      - name: characterId
+        in: path
+        required: true
+        schema:
+          type: integer
+          format: int64
+      requestBody:
+        content:
+          application/json:
+            schema:
+              $ref: "#/components/schemas/SetCharacterRuleBookRequest"
+        required: true
+      responses:
+        "404":
+          description: Not Found
+        "400":
+          description: Bad Request
+        "200":
+          description: OK
+          content:
+            '*/*':
+              schema:
+                $ref: "#/components/schemas/RuleBookResponse"
   /activity/fetch/{characterId}:
     post:
       tags:
@@ -190,29 +241,6 @@ paths:
                 type: array
                 items:
                   $ref: "#/components/schemas/CharacterResponse"
-  /characters/{characterId}/rule-book:
-    get:
-      tags:
-      - rule-book-controller
-      operationId: findByCharacterId
-      parameters:
-      - name: characterId
-        in: path
-        required: true
-        schema:
-          type: integer
-          format: int64
-      responses:
-        "404":
-          description: Not Found
-        "400":
-          description: Bad Request
-        "200":
-          description: OK
-          content:
-            '*/*':
-              schema:
-                $ref: "#/components/schemas/RuleBookResponse"
 components:
   schemas:
     UpdateMainLedgerRequest:
@@ -301,40 +329,6 @@ components:
       required:
       - memberLedgerIds
       - name
-    LedgerResponse:
-      type: object
-      discriminator:
-        propertyName: type
-      properties:
-        type:
-          type: string
-          enum:
-          - MAIN
-          - COMBINED
-    CharacterResponse:
-      type: object
-      properties:
-        characterId:
-          type: integer
-          format: int64
-        name:
-          type: string
-      required:
-      - characterId
-      - name
-    RuleBookResponse:
-      type: object
-      properties:
-        characterId:
-          type: integer
-          format: int64
-        ruleSets:
-          type: object
-          additionalProperties:
-            $ref: "#/components/schemas/RuleSetResponse"
-      required:
-      - characterId
-      - ruleSets
     RuleResponse:
       type: object
       properties:
@@ -363,3 +357,46 @@ components:
             $ref: "#/components/schemas/RuleResponse"
       required:
       - rules
+    SetCharacterRuleBookRequest:
+      type: object
+      properties:
+        ruleSets:
+          type: object
+          additionalProperties:
+            $ref: "#/components/schemas/RuleSetResponse"
+      required:
+      - ruleSets
+    RuleBookResponse:
+      type: object
+      properties:
+        characterId:
+          type: integer
+          format: int64
+        ruleSets:
+          type: object
+          additionalProperties:
+            $ref: "#/components/schemas/RuleSetResponse"
+      required:
+      - characterId
+      - ruleSets
+    LedgerResponse:
+      type: object
+      discriminator:
+        propertyName: type
+      properties:
+        type:
+          type: string
+          enum:
+          - MAIN
+          - COMBINED
+    CharacterResponse:
+      type: object
+      properties:
+        characterId:
+          type: integer
+          format: int64
+        name:
+          type: string
+      required:
+      - characterId
+      - name
diff --git a/src/generated/mammon/api.ts b/src/generated/mammon/api.ts
index 30078db..57d1cb6 100644
--- a/src/generated/mammon/api.ts
+++ b/src/generated/mammon/api.ts
@@ -100,6 +100,9 @@ export type RuleResponseRateEnum = typeof RuleResponseRateEnum[keyof typeof Rule
 export interface RuleSetResponse {
     'rules': Array<RuleResponse>;
 }
+export interface SetCharacterRuleBookRequest {
+    'ruleSets': { [key: string]: RuleSetResponse; };
+}
 export interface UpdateCombinedLedgerRequest {
     'name': string;
     'memberLedgerIds': Array<string>;
@@ -755,6 +758,44 @@ export const RuleBookControllerApiAxiosParamCreator = function (configuration?:
             let headersFromBaseOptions = baseOptions && baseOptions.headers ? baseOptions.headers : {};
             localVarRequestOptions.headers = {...localVarHeaderParameter, ...headersFromBaseOptions, ...options.headers};
 
+            return {
+                url: toPathString(localVarUrlObj),
+                options: localVarRequestOptions,
+            };
+        },
+        /**
+         * 
+         * @param {number} characterId 
+         * @param {SetCharacterRuleBookRequest} setCharacterRuleBookRequest 
+         * @param {*} [options] Override http request option.
+         * @throws {RequiredError}
+         */
+        setCharacterRuleBook: async (characterId: number, setCharacterRuleBookRequest: SetCharacterRuleBookRequest, options: RawAxiosRequestConfig = {}): Promise<RequestArgs> => {
+            // verify required parameter 'characterId' is not null or undefined
+            assertParamExists('setCharacterRuleBook', 'characterId', characterId)
+            // verify required parameter 'setCharacterRuleBookRequest' is not null or undefined
+            assertParamExists('setCharacterRuleBook', 'setCharacterRuleBookRequest', setCharacterRuleBookRequest)
+            const localVarPath = `/characters/{characterId}/rule-book`
+                .replace('{characterId}', encodeURIComponent(String(characterId)));
+            // use dummy base URL string because the URL constructor only accepts absolute URLs.
+            const localVarUrlObj = new URL(localVarPath, DUMMY_BASE_URL);
+            let baseOptions;
+            if (configuration) {
+                baseOptions = configuration.baseOptions;
+            }
+
+            const localVarRequestOptions = { method: 'POST', ...baseOptions, ...options};
+            const localVarHeaderParameter = {} as any;
+            const localVarQueryParameter = {} as any;
+
+            localVarHeaderParameter['Content-Type'] = 'application/json';
+            localVarHeaderParameter['Accept'] = '*/*';
+
+            setSearchParams(localVarUrlObj, localVarQueryParameter);
+            let headersFromBaseOptions = baseOptions && baseOptions.headers ? baseOptions.headers : {};
+            localVarRequestOptions.headers = {...localVarHeaderParameter, ...headersFromBaseOptions, ...options.headers};
+            localVarRequestOptions.data = serializeDataIfNeeded(setCharacterRuleBookRequest, localVarRequestOptions, configuration)
+
             return {
                 url: toPathString(localVarUrlObj),
                 options: localVarRequestOptions,
@@ -781,6 +822,19 @@ export const RuleBookControllerApiFp = function(configuration?: Configuration) {
             const localVarOperationServerBasePath = operationServerMap['RuleBookControllerApi.findByCharacterId']?.[localVarOperationServerIndex]?.url;
             return (axios, basePath) => createRequestFunction(localVarAxiosArgs, globalAxios, BASE_PATH, configuration)(axios, localVarOperationServerBasePath || basePath);
         },
+        /**
+         * 
+         * @param {number} characterId 
+         * @param {SetCharacterRuleBookRequest} setCharacterRuleBookRequest 
+         * @param {*} [options] Override http request option.
+         * @throws {RequiredError}
+         */
+        async setCharacterRuleBook(characterId: number, setCharacterRuleBookRequest: SetCharacterRuleBookRequest, options?: RawAxiosRequestConfig): Promise<(axios?: AxiosInstance, basePath?: string) => AxiosPromise<RuleBookResponse>> {
+            const localVarAxiosArgs = await localVarAxiosParamCreator.setCharacterRuleBook(characterId, setCharacterRuleBookRequest, options);
+            const localVarOperationServerIndex = configuration?.serverIndex ?? 0;
+            const localVarOperationServerBasePath = operationServerMap['RuleBookControllerApi.setCharacterRuleBook']?.[localVarOperationServerIndex]?.url;
+            return (axios, basePath) => createRequestFunction(localVarAxiosArgs, globalAxios, BASE_PATH, configuration)(axios, localVarOperationServerBasePath || basePath);
+        },
     }
 };
 
@@ -799,6 +853,16 @@ export const RuleBookControllerApiFactory = function (configuration?: Configurat
         findByCharacterId(characterId: number, options?: RawAxiosRequestConfig): AxiosPromise<RuleBookResponse> {
             return localVarFp.findByCharacterId(characterId, options).then((request) => request(axios, basePath));
         },
+        /**
+         * 
+         * @param {number} characterId 
+         * @param {SetCharacterRuleBookRequest} setCharacterRuleBookRequest 
+         * @param {*} [options] Override http request option.
+         * @throws {RequiredError}
+         */
+        setCharacterRuleBook(characterId: number, setCharacterRuleBookRequest: SetCharacterRuleBookRequest, options?: RawAxiosRequestConfig): AxiosPromise<RuleBookResponse> {
+            return localVarFp.setCharacterRuleBook(characterId, setCharacterRuleBookRequest, options).then((request) => request(axios, basePath));
+        },
     };
 };
 
@@ -815,6 +879,17 @@ export class RuleBookControllerApi extends BaseAPI {
     public findByCharacterId(characterId: number, options?: RawAxiosRequestConfig) {
         return RuleBookControllerApiFp(this.configuration).findByCharacterId(characterId, options).then((request) => request(this.axios, this.basePath));
     }
+
+    /**
+     * 
+     * @param {number} characterId 
+     * @param {SetCharacterRuleBookRequest} setCharacterRuleBookRequest 
+     * @param {*} [options] Override http request option.
+     * @throws {RequiredError}
+     */
+    public setCharacterRuleBook(characterId: number, setCharacterRuleBookRequest: SetCharacterRuleBookRequest, options?: RawAxiosRequestConfig) {
+        return RuleBookControllerApiFp(this.configuration).setCharacterRuleBook(characterId, setCharacterRuleBookRequest, options).then((request) => request(this.axios, this.basePath));
+    }
 }
 
 
diff --git a/src/market/acquisition/AcquisitionQuantilsTooltip.vue b/src/market/acquisition/AcquisitionQuantilsTooltip.vue
index bc69b83..b29f3dc 100644
--- a/src/market/acquisition/AcquisitionQuantilsTooltip.vue
+++ b/src/market/acquisition/AcquisitionQuantilsTooltip.vue
@@ -1,10 +1,10 @@
 <script setup lang="ts">
-import { LoadingSpinner, Tooltip } from '@/components';
-import { formatIsk } from '@/formaters';
-import { getHistory, getHistoryQuartils } from '@/market';
-import { ArrowTrendingDownIcon, ArrowTrendingUpIcon } from '@heroicons/vue/24/outline';
-import { computedAsync } from '@vueuse/core';
-import { ref, watchEffect } from 'vue';
+import {LoadingSpinner, Tooltip} from '@/components';
+import {formatIsk} from '@/formaters';
+import {getHistory, getHistoryQuartils} from '@/market';
+import {ArrowTrendingDownIcon, ArrowTrendingUpIcon} from '@heroicons/vue/24/outline';
+import {computedAsync} from '@vueuse/core';
+import {ref, watchEffect} from 'vue';
 
 const trendingScale = 3;
 
@@ -76,6 +76,7 @@ watchEffect(async () => {
 
 <style scoped>
 @reference "tailwindcss";
+
 .tooltip {
     @apply ms-auto;
     >:deep(div.header) {
diff --git a/src/pages/market/TypeInfo.vue b/src/pages/market/TypeInfo.vue
index 78995fd..5e339bf 100644
--- a/src/pages/market/TypeInfo.vue
+++ b/src/pages/market/TypeInfo.vue
@@ -1,13 +1,13 @@
 <script setup lang="ts">
-import { ClipboardButton } from '@/components';
-import { MarketType, MarketTypeInput, getMarketType, useApraisalStore } from "@/market";
-import { AcquisitionResultTable, BuyModal, useAcquiredTypesStore } from '@/market/acquisition';
-import { TrackingResultTable, createResult, useMarketTrackingStore } from '@/market/tracking';
-import { BookmarkIcon, BookmarkSlashIcon, ShoppingCartIcon } from '@heroicons/vue/24/outline';
-import { computedAsync } from '@vueuse/core/index.cjs';
+import {ClipboardButton} from '@/components';
+import {getMarketType, MarketType, MarketTypeInput, useApraisalStore} from "@/market";
+import {AcquisitionResultTable, BuyModal, useAcquiredTypesStore} from '@/market/acquisition';
+import {createResult, TrackingResultTable, useMarketTrackingStore} from '@/market/tracking';
+import {BookmarkIcon, BookmarkSlashIcon, ShoppingCartIcon} from '@heroicons/vue/24/outline';
 import log from "loglevel";
-import { computed, ref, watch } from "vue";
-import { useRoute, useRouter } from "vue-router";
+import {computed, ref, watch} from "vue";
+import {useRoute, useRouter} from "vue-router";
+import {computedAsync} from "@vueuse/core";
 
 const buyModal = ref<typeof BuyModal>();
 
@@ -115,6 +115,7 @@ watch(useRoute(), async route => {
 
 <style scoped>
 @reference "tailwindcss";
+
 img.type-image {
     width: 64px;
     height: 64px;
diff --git a/src/pages/rules/EditRuleBook.vue b/src/pages/rules/EditRuleBook.vue
index 8c47c93..67fc2d9 100644
--- a/src/pages/rules/EditRuleBook.vue
+++ b/src/pages/rules/EditRuleBook.vue
@@ -3,7 +3,7 @@ import {Character, CharacterLabel, useCharactersStore} from "@/characters";
 import {useRoute} from "vue-router";
 import {ref, watch, watchEffect} from "vue";
 import log from "loglevel";
-import {activityTypes, findByCharacterId, RuleBook, RuleSetInput} from "@/rules";
+import {activityTypes, findByCharacterId, RuleBook, RuleSetInput, setCharacterRuleBook} from "@/rules";
 
 const {findById: findCharacterById} = useCharactersStore();
 const character = ref<Character>();
@@ -18,6 +18,14 @@ watchEffect(async () => {
   }
 });
 
+const save = () => {
+  const characterId = character.value?.characterId;
+
+  if (characterId && ruleBook.value) {
+    setCharacterRuleBook(characterId, ruleBook.value);
+  }
+}
+
 watch(useRoute(), async route => {
   if (route.params.characterId) {
     const id = parseInt(typeof route.params.characterId === 'string' ? route.params.characterId : route.params.characterId[0]);
@@ -35,6 +43,9 @@ watch(useRoute(), async route => {
   <div v-if="character" class="grid mb-2 mt-4">
     <div class="mb-2 border-b-1 flex">
       <CharacterLabel class="flex grow mb-2" :character="character" :size="64" />
+      <div>
+        <button @click="save">Save</button>
+      </div>
     </div>
     <div v-if="ruleBook" class="flex-col">
       <div class="flex-col grow border-b-1" v-for="activityType in activityTypes" :key="activityType">
diff --git a/src/rules/rules.ts b/src/rules/rules.ts
index a92d1c4..610f0b5 100644
--- a/src/rules/rules.ts
+++ b/src/rules/rules.ts
@@ -13,4 +13,7 @@ export type RuleBook = RuleBookResponse & { ruleSets: { [key: ActivityType]: Rul
 
 export const findByCharacterId = (characterId: number): Promise<RuleBook> => ruleBookControllerApi.findByCharacterId(characterId)
     .then(response => response.data)
-    .catch(() => ({characterId, ruleSets: {}}));
\ No newline at end of file
+    .catch(() => ({characterId, ruleSets: {}}));
+
+export const setCharacterRuleBook = (characterId: number, ruleBook: RuleBook): Promise<RuleBook> => ruleBookControllerApi.setCharacterRuleBook(characterId, ruleBook)
+    .then(response => response.data);
\ No newline at end of file