diff --git a/Source/Contents/Party/PartyBookingInfo.h b/Source/Contents/Party/PartyBookingInfo.h
new file mode 100644
index 00000000..50e1b373
--- /dev/null
+++ b/Source/Contents/Party/PartyBookingInfo.h
@@ -0,0 +1,21 @@
+#ifndef RAGNAROK_SOURCE_CONTENTS_PARTY_PARTYBOOKINGINFO_H
+#define RAGNAROK_SOURCE_CONTENTS_PARTY_PARTYBOOKINGINFO_H
+
+#include <ctime>
+
+struct PARTY_BOOKING_DETAIL {
+  /* 0000 */ short level;
+  /* 0002 */ short mapId;
+  /* 0004 */ short job[6];
+};
+
+struct PARTY_BOOKING_AD_INFO {
+  /* 0000 */ int index;
+  /* 0004 */ char charName[24];
+  /* 001C */ __time32_t expireTime;
+  /* 0020 */ PARTY_BOOKING_DETAIL detail;
+};
+
+static_assert(sizeof(PARTY_BOOKING_AD_INFO) == 0x30);
+
+#endif
diff --git a/Source/Contents/Party/PartyBookingMgr.cpp b/Source/Contents/Party/PartyBookingMgr.cpp
index 460c5b4f..3dd92f2e 100644
--- a/Source/Contents/Party/PartyBookingMgr.cpp
+++ b/Source/Contents/Party/PartyBookingMgr.cpp
@@ -2,6 +2,9 @@
 
 #include "Client/Session.h"
 #include "Contents/MessageTable.h"
+#include "Contents/Sound/SoundMgr.h"
+#include "UI/Window/UISeekPartyListWnd.h"
+#include "UI/Window/UIWindowMgr.h"
 
 #include <cstdio>
 #include <cstring>
@@ -24,6 +27,52 @@ void PartyBookingMgr::Clear() {
 
 // OFFSET: 0x00B16CF0
 
+// OFFSET: 0x00B175B0
+// FUNCTION: fn_18448
+void PartyBookingMgr::OnAdvertisement(PARTY_BOOKING_AD_INFO info) {
+  UISeekPartyListWnd* window = static_cast<UISeekPartyListWnd*>(g_windowMgr.LookupWindow(0xA9));
+  if (window) {
+    if (window->MatchesFilter(info)) {
+      if (!this->m_lastPage) {
+        this->AddEntries(&info, 1, false);
+        window->NotifyNewAd();
+      } else {
+        std::pair<bool, PartyBookingEntry> result = this->MakeEntry(info);
+        if (result.first) {
+          this->m_pending.insert(std::pair<const int, PartyBookingEntry>(info.index, result.second));
+        }
+        window->NotifyNewAd();
+      }
+    }
+    return;
+  }
+
+  if (this->m_filterEnabled) {
+    PARTY_BOOKING_AD_INFO ad = info;
+    if (this->m_filterLevel > 0 && (ad.detail.level < this->m_filterLevel || this->m_filterLevel + 15 < ad.detail.level)) {
+      return;
+    }
+
+    if (this->m_filterMap > 0 && this->m_filterMap != ad.detail.mapId) {
+      return;
+    }
+
+    if (this->m_filterJob > 0) {
+      int i = 0;
+      while (this->m_filterJob != ad.detail.job[i]) {
+        if (++i >= 6) {
+          return;
+        }
+      }
+    }
+  }
+
+  if (this->m_alarm) {
+    g_soundMgr->PlayWave("party_alarm.wav", 0.0f, 0.0f, 0.0f, 250, 40, 1.0f, 0);
+    g_windowMgr.SendNotice(1, reinterpret_cast<std::intptr_t>(LookupMessage(0x6D9)), 0xFFFF00, 15, 0, 0);
+  }
+}
+
 // OFFSET: 0x00B17820
 
 // OFFSET: 0x00B17C40
diff --git a/Source/Contents/Party/PartyBookingMgr.h b/Source/Contents/Party/PartyBookingMgr.h
index 71cdd95c..2f2e695a 100644
--- a/Source/Contents/Party/PartyBookingMgr.h
+++ b/Source/Contents/Party/PartyBookingMgr.h
@@ -1,6 +1,8 @@
 #ifndef RAGNAROK_SOURCE_CONTENTS_PARTY_PARTYBOOKINGMGR_H
 #define RAGNAROK_SOURCE_CONTENTS_PARTY_PARTYBOOKINGMGR_H
 
+#include "Contents/Party/PartyBookingInfo.h"
+
 #include <cstddef>
 #include <ctime>
 #include <map>
@@ -8,21 +10,6 @@
 #include <utility>
 #include <vector>
 
-struct PARTY_BOOKING_DETAIL {
-  /* 0000 */ short level;
-  /* 0002 */ short mapId;
-  /* 0004 */ short job[6];
-};
-
-struct PARTY_BOOKING_AD_INFO {
-  /* 0000 */ int index;
-  /* 0004 */ char charName[24];
-  /* 001C */ __time32_t expireTime;
-  /* 0020 */ PARTY_BOOKING_DETAIL detail;
-};
-
-static_assert(sizeof(PARTY_BOOKING_AD_INFO) == 0x30);
-
 struct PartyBookingMapInfo {
   /* 0000 */ std::string name;
   /* 0018 */ int id;
@@ -54,6 +41,7 @@ public:
   void SetJobs(int index, const short* jobs);
   bool FlushPending();
   void AddEntries(const PARTY_BOOKING_AD_INFO* infos, int count, bool more);
+  void OnAdvertisement(PARTY_BOOKING_AD_INFO info);
   std::pair<bool, PartyBookingEntry> MakeEntry(PARTY_BOOKING_AD_INFO info);
 
   /* 0000 */ int unknown_0000;
diff --git a/Source/UI/Window/UISeekPartyListWnd.cpp b/Source/UI/Window/UISeekPartyListWnd.cpp
new file mode 100644
index 00000000..40a68a61
--- /dev/null
+++ b/Source/UI/Window/UISeekPartyListWnd.cpp
@@ -0,0 +1,38 @@
+#include "UI/Window/UISeekPartyListWnd.h"
+
+#include "Contents/MessageTable.h"
+#include "Contents/Sound/SoundMgr.h"
+#include "UI/Buttons/UICheckBox.h"
+#include "UI/Window/UIWindowMgr.h"
+
+// OFFSET: 0x009431D0
+// FUNCTION: fn_12815
+void UISeekPartyListWnd::NotifyNewAd() {
+  if (this->m_alarmCheck->geometry.unknown_0030 != 0) {
+    g_soundMgr->PlayWave("party_alarm.wav", 0.0f, 0.0f, 0.0f, 250, 40, 1.0f, 0);
+    g_windowMgr.SendNotice(1, reinterpret_cast<std::intptr_t>(LookupMessage(0x6D9)), 0xFFFF00, 15, 0, 0);
+  }
+}
+
+// OFFSET: 0x009435F0
+// FUNCTION: fn_12825
+bool UISeekPartyListWnd::MatchesFilter(PARTY_BOOKING_AD_INFO info) {
+  if (this->m_filterLevel > 0 && (this->m_filterLevel > info.detail.level || this->m_filterLevel + 15 < info.detail.level)) {
+    return false;
+  }
+
+  if (this->m_filterMap > 0 && this->m_filterMap != info.detail.mapId) {
+    return false;
+  }
+
+  if (this->m_filterJob > 0) {
+    for (int i = 0; i < 6; ++i) {
+      if (this->m_filterJob == info.detail.job[i]) {
+        return true;
+      }
+    }
+    return false;
+  }
+
+  return true;
+}
diff --git a/Source/UI/Window/UISeekPartyListWnd.h b/Source/UI/Window/UISeekPartyListWnd.h
new file mode 100644
index 00000000..34f2dada
--- /dev/null
+++ b/Source/UI/Window/UISeekPartyListWnd.h
@@ -0,0 +1,23 @@
+#ifndef RAGNAROK_SOURCE_UI_WINDOW_UISEEKPARTYLISTWND_H
+#define RAGNAROK_SOURCE_UI_WINDOW_UISEEKPARTYLISTWND_H
+
+#include "Contents/Party/PartyBookingInfo.h"
+#include "UI/Window/UIFrameWnd.h"
+
+class UICheckBox;
+
+class UISeekPartyListWnd : public UIFrameWnd {
+public:
+  void NotifyNewAd();
+  bool MatchesFilter(PARTY_BOOKING_AD_INFO info);
+
+protected:
+  /* 00B4 */ unsigned char unknown_00B4[0x3C];
+  /* 00F0 */ UICheckBox* m_alarmCheck;
+  /* 00F4 */ unsigned char unknown_00F4[0xD0];
+  /* 01C4 */ short m_filterLevel;
+  /* 01C6 */ short m_filterMap;
+  /* 01C8 */ short m_filterJob;
+};
+
+#endif
diff --git a/data/compile.json b/data/compile.json
index 3ff14e92..7f0cfd8c 100644
--- a/data/compile.json
+++ b/data/compile.json
@@ -757,6 +757,7 @@
   "Source/UI/Window/UIControl.cpp": 2,
   "Source/UI/Window/UIFrameWnd.cpp": 2,
   "Source/UI/Window/UIMessageBox.cpp": 2,
+  "Source/UI/Window/UISeekPartyListWnd.cpp": 2,
   "Source/UI/Window/UIWindow.cpp": 2,
   "Source/UI/Window/UIWindowMgr.cpp": 2,
   "Source/UI/Window/WindowAncestry.cpp": 2,