diff --git a/src/components/CreateUpdatePost.jsx b/src/components/CreateUpdatePost.jsx
index 3d433ff..0b3b2ea 100644
--- a/src/components/CreateUpdatePost.jsx
+++ b/src/components/CreateUpdatePost.jsx
@@ -1,5 +1,6 @@
 import {useCallback, useEffect, useState} from "react";
 import CloseIcon from "./icons/CloseIcon";
+import RulesModal from "./RulesModal";
 import { EMPTY_FORM, CATEGORY_KEYS } from "../config/feedConstants";
 import { useTranslation } from 'react-i18next';
 import { usePostMutation } from "../hooks/usePostMutation";
@@ -26,18 +27,19 @@ export default function CreateUpdatePost({ onClose, onSuccess, initialData }) {
   const [form, setForm] = useState(
       isEdit
           ? {
-            type:        (initialData.type || "loss").toLowerCase(),
-            title:       initialData.title       || "",
-            description: initialData.description || "",
-            category:    initialData.category    || "",
-            date:        initialData.date        || "",
-            phone:       initialData.phone       || "",
-            address:     initialData.city        || ""
+            type:          (initialData.type || "loss").toLowerCase(),
+            title:         initialData.title       || "",
+            description:   initialData.description || "",
+            category:      initialData.category    || "",
+            date:          initialData.date        || "",
+            phone:         initialData.phone       || "",
+            address:       initialData.city        || "",
+            rulesAccepted: true
           }
           : EMPTY_FORM
   );
 
-  // Ошибки валидации — ключ совпадает с именем поля
+  const [rulesModalOpen, setRulesModalOpen] = useState(false);
   const [errors, setErrors] = useState({});
 
   const {
@@ -125,6 +127,8 @@ export default function CreateUpdatePost({ onClose, onSuccess, initialData }) {
       data.append("address", form.address.trim());
     }
 
+    data.append("rulesAccepted", form.rulesAccepted ? "true" : "false");
+
     // save(id, data): id = null → POST (создание), id = string → PUT (обновление)
     const result = await save(isEdit ? initialData.id : null, data);
     if (!result) {
@@ -307,6 +311,32 @@ export default function CreateUpdatePost({ onClose, onSuccess, initialData }) {
             {errors.phone && <p className="f-err-msg">{errors.phone}</p>}
           </div>
 
+          {/* Чекбокс согласия с правилами */}
+          <div className="f-m-group">
+            <label className="f-rules-checkbox">
+              <input
+                type="checkbox"
+                className="f-rules-input"
+                checked={form.rulesAccepted}
+                onChange={e => set("rulesAccepted", e.target.checked)}
+              />
+              <span className="f-rules-checkmark" />
+              <span className="f-rules-text">
+                {t('post.rulesCheckboxPrefix')}{' '}
+                <span
+                  className="f-rules-link"
+                  onClick={e => {
+                    e.preventDefault();
+                    setRulesModalOpen(true);
+                  }}
+                >
+                  {t('post.rulesLinkText')}
+                </span>
+              </span>
+            </label>
+            {errors.rulesAccepted && <p className="f-err-msg">{errors.rulesAccepted}</p>}
+          </div>
+
           {/* Глобальная ошибка API (не связана с конкретным полем) */}
           {apiError && <p className="f-err-msg">{apiError}</p>}
 
@@ -321,6 +351,11 @@ export default function CreateUpdatePost({ onClose, onSuccess, initialData }) {
         </div>
       </div>
 
+      {/* ── Модалка с правилами площадки ── */}
+      {rulesModalOpen && (
+        <RulesModal onClose={() => setRulesModalOpen(false)} />
+      )}
+
       {/* ── Модалка-результат после отправки ── */}
       {resultModal && (
           <div className="f-modal-bg" onClick={e => {
diff --git a/src/config/feedConstants.js b/src/config/feedConstants.js
index 9c0fe63..46e1c8c 100644
--- a/src/config/feedConstants.js
+++ b/src/config/feedConstants.js
@@ -23,5 +23,6 @@ export const EMPTY_FORM = {
   location: "",
   phone: "",
   date: "",
-  address: ""
+  address: "",
+  rulesAccepted: false
 };
diff --git a/src/styles/modal.css b/src/styles/modal.css
index 3619b91..5026b46 100644
--- a/src/styles/modal.css
+++ b/src/styles/modal.css
@@ -253,6 +253,41 @@
   }
 }
 
+/* ── Rules Checkbox ── */
+.f-rules-checkbox {
+  display: flex; align-items: center; gap: 10px; cursor: pointer;
+  user-select: none; padding: 6px 0;
+}
+.f-rules-input {
+  position: absolute; opacity: 0; width: 0; height: 0; pointer-events: none;
+}
+.f-rules-checkmark {
+  flex-shrink: 0; width: 20px; height: 20px;
+  border: 2px solid var(--border); border-radius: 5px;
+  background: var(--bg-input); transition: all .2s;
+  position: relative;
+}
+.f-rules-input:checked + .f-rules-checkmark {
+  background: var(--teal); border-color: var(--teal);
+}
+.f-rules-input:checked + .f-rules-checkmark::after {
+  content: ""; position: absolute; left: 5px; top: 1px;
+  width: 6px; height: 10px;
+  border: solid #082320; border-width: 0 2.5px 2.5px 0;
+  transform: rotate(45deg);
+}
+.f-rules-input:focus + .f-rules-checkmark {
+  box-shadow: 0 0 0 3px rgba(var(--teal-rgb), .25);
+}
+.f-rules-text {
+  font-size: .82rem; color: var(--muted); line-height: 1.4;
+}
+.f-rules-link {
+  color: var(--teal); cursor: pointer; text-decoration: underline;
+  text-underline-offset: 2px; transition: opacity .15s;
+}
+.f-rules-link:hover { opacity: .75; }
+
 /* ── Result Modal (success / blocked) ── */
 .f-modal-result {
   text-align: center;
diff --git a/src/utils/validatePostForm.js b/src/utils/validatePostForm.js
index 160e3fe..864b04f 100644
--- a/src/utils/validatePostForm.js
+++ b/src/utils/validatePostForm.js
@@ -6,5 +6,6 @@ export function validatePostForm(form) {
   if (!form.description.trim()) errors.description = i18n.t('validation.descriptionRequired');
   if (!form.category)           errors.category    = i18n.t('validation.categoryRequired');
   if (!form.phone.trim())       errors.phone       = i18n.t('validation.phoneRequired');
+  if (!form.rulesAccepted)      errors.rulesAccepted = i18n.t('validation.rulesRequired');
   return errors;
 }