diff --git a/resources/tester/test_stmate_std_market.py b/resources/tester/test_stmate_std_market.py
index 9637a08cb..53552b61e 100644
--- a/resources/tester/test_stmate_std_market.py
+++ b/resources/tester/test_stmate_std_market.py
@@ -166,6 +166,38 @@ def test_rate_m_lookup_against_stc_table():
     assert [g["band"] for g in res] == [0, 1, 2, 0]
 
 
+def test_rate_screen_lookup_uses_rate_m_for_set_base_1():
+    """요율 조회 화면(scr_kanjub_rate.lookup) — 적용기준 행자부(1)면 간접노무비·일반관리비·이윤만 RATE_M · 그 밖은 RATE_R."""
+    files = server.read_project_files(str(STC))
+    rate_r = server.parse_dbf_bytes(files["RATE_R.DBF"])[1]
+    rows = _rate_m_rows()
+    opts = {"scale": 100e8, "kongType": 3, "ilbanType": 0, "kikan": 2, "rateMRows": rows}
+    req = [{"matrix": rate_r, "opts": {**opts, "setBase": b}} for b in (1, 0, 2)]
+    helper = HELPER.with_name("helper_stmate_kanjub_rate.cjs")
+    out = subprocess.run(
+        ["node", str(helper)],
+        input=json.dumps(req),
+        capture_output=True,
+        text=True,
+        encoding="utf-8",
+        check=True,
+    )
+    mo, local, nation = json.loads(out.stdout)
+    want = run(
+        {
+            "mode": "ratem",
+            "rows": rows,
+            "cases": [{"scale": 100e8, "kongType": 3, "ilban": 0, "kikan": 2}],
+        }
+    )
+    for c in ("KANNO", "ILBAN", "IYUN"):
+        assert mo["rates"][c] == want["out"][0]["rates"][c]
+        assert mo["cells"][c][0] == "RATE_M"
+    assert local["rates"] == nation["rates"]  # 지방·국가는 RATE_R 조회 그대로
+    for c in ("SANBO", "KUNBO", "ANJUN"):
+        assert mo["rates"][c] == local["rates"][c]
+
+
 def test_set_base_combo_pairs_from_dfm():
     nodes = json.loads(DFM.read_text(encoding="utf-8"))["nodes"]
     combo = next(o for o in _walk(nodes) if o.get("name") == "cmBx_Set_Base")
diff --git a/tools/stmate-test/scr_kanjub.js b/tools/stmate-test/scr_kanjub.js
index 5ab6d2b02..3085a49b4 100644
--- a/tools/stmate-test/scr_kanjub.js
+++ b/tools/stmate-test/scr_kanjub.js
@@ -285,6 +285,7 @@
   }
 
   const RATE_AXES = [
+    "I_SET_BASE",
     "I_KONG_TYPE",
     "I_KONG_KIKAN",
     "I_ANJUN_TYPE",
@@ -310,11 +311,15 @@
     );
     const res = R.applyWithLoopCheck(cfg, R.matrixFromRows(rows), calc, {
       withTbugum: true,
+      extra: { rateMRows: rateMRows(ctx) },
     });
     u.kjMsg = res.loop ? res.msg : res.manual ? "요율 수동 확정 상태 — 요율 그대로" : "";
     return res;
   }
 
+  // 적용기준 행자부(I_SET_BASE 1)용 RATE_M 행 — 그 STC 의 표
+  const rateMRows = (ctx) => ((ctx.dbfData && ctx.dbfData.rate_tables) || {})["RATE_M.DBF"] || [];
+
   function bind(ctx, api) {
     const re = () => api.renderWorkspace();
     const { cfg, st } = stageCfg(ctx);
@@ -329,7 +334,7 @@
         switchScheme(cfg, schemeOf(k2));
       }
       setKey(cfg, key, val);
-      // 요율 축(공사종류·기간·안전공종·고용등급·환경·건설기계·퇴직공제·일반관리비) — 제비율표 다시 조회 후 다시 셈
+      // 요율 축(적용기준·공사종류·기간·안전공종·고용등급·환경·건설기계·퇴직공제·일반관리비) — 제비율표 다시 조회 후 다시 셈
       if (RATE_AXES.includes(key)) reRate(ctx, api, cfg);
       re();
     });
@@ -395,7 +400,7 @@
         api.recompute(),
         (ctx.computed.stages[n] || {}).kanjub || ctx.computed.kanjubComputed
       );
-      const res = R.applyWithLoopCheck(cfg, m, calc);
+      const res = R.applyWithLoopCheck(cfg, m, calc, { extra: { rateMRows: rateMRows(ctx) } });
       u.kjMsg = res.loop
         ? res.msg
         : res.manual
diff --git a/tools/stmate-test/scr_kanjub_rate.js b/tools/stmate-test/scr_kanjub_rate.js
index 424d0e230..45eb1cfc1 100644
--- a/tools/stmate-test/scr_kanjub_rate.js
+++ b/tools/stmate-test/scr_kanjub_rate.js
@@ -65,6 +65,17 @@ const StmateRate = (() => {
     return BANDS[BANDS.length - 1];
   }
 
+  // 원본 차수·조회 규칙 묶음(kanjub_parts.js) — 브라우저 = 전역 · node = require
+  function kanjubNative() {
+    const g = typeof globalThis !== "undefined" ? globalThis : {};
+    if (g.STMATE_KANJUB_PARTS) return g.STMATE_KANJUB_PARTS.NATIVE;
+    try {
+      return require("./kanjub_parts.js").NATIVE;
+    } catch {
+      return null;
+    }
+  }
+
   // 요율 조회 — opts: kongType · kikan · scale(직접공사비) · anjunType · anjunScale · koboType · hwan · eqip · tbugum
   function lookup(m, opts = {}) {
     const rates = {},
@@ -132,6 +143,20 @@ const StmateRate = (() => {
       )
         notes.push(`${c} — 표 칸 [${cells[c]}] 이 비어 있음(직접 입력 요율 유지)`);
     const zeroed = short ? ["KUNBO", "YUNBO", "SLVBO"] : [];
+    // 적용기준 행자부(I_SET_BASE 1) — 간접노무비·일반관리비·이윤만 RATE_M 에서(ST_KanJub 0x47a1bc · REA 36 §4.2)
+    const NATIVE = kanjubNative();
+    if (n0(opts.setBase) === 1 && NATIVE && (opts.rateMRows || []).length) {
+      const rm = NATIVE.rateMLookup(opts.rateMRows, {
+        scale: opts.scale,
+        kongType: opts.kongType,
+        ilban: opts.ilbanType,
+        kikan: opts.kikan,
+      });
+      for (const [c, v] of Object.entries(rm.rates)) {
+        rates[c] = v;
+        cells[c] = ["RATE_M", ...rm.cells[c]];
+      }
+    }
     return { rates, cells, amounts, band, anjunBand: ab, notes, zeroed };
   }
 
@@ -149,6 +174,7 @@ const StmateRate = (() => {
       eqip: k.I_EQIP == null ? 0 : n0(k.I_EQIP),
       tbugum: n0(k.I_TBUGUM),
       ilbanType: n0(k.I_ILBAN),
+      setBase: n0(k.I_SET_BASE),
     };
   }
 
@@ -175,14 +201,14 @@ const StmateRate = (() => {
     cfg,
     m,
     calcFn,
-    { scaleOf = (kj) => kj.dT, maxIter = 6, withTbugum = false } = {},
+    { scaleOf = (kj) => kj.dT, maxIter = 6, withTbugum = false, extra = {} } = {},
   ) {
     let kj = calcFn(cfg);
     if (cfg.rateConfirm && cfg.rateConfirm.manual) return { cfg, kj, loop: false, manual: true };
     const seen = [],
       found = {};
     for (let i = 0; i < maxIter; i++) {
-      const res = lookup(m, Object.assign(optsFromCfg(cfg, kj), { scale: scaleOf(kj) }));
+      const res = lookup(m, Object.assign(optsFromCfg(cfg, kj), extra, { scale: scaleOf(kj) }));
       const sig = `${res.band.row}/${res.anjunBand.row}`;
       if (seen.includes(sig) && seen[seen.length - 1] !== sig) {
         const choices = seen.slice(seen.indexOf(sig)).map((g) => found[g]);
@@ -333,6 +359,12 @@ if (typeof module !== "undefined" && module.exports) module.exports = StmateRate
     return `<table class="dbgrid"><thead><tr><th>행</th>${head}</tr></thead><tbody>${body.join("")}</tbody></table>`;
   }
 
+  // 조회 입력 + 행자부기준용 RATE_M 행(그 STC 의 표)
+  const optsOf = (ctx, cfg, kj) =>
+    Object.assign(R.optsFromCfg(cfg, kj), {
+      rateMRows: ((ctx.dbfData && ctx.dbfData.rate_tables) || {})["RATE_M.DBF"] || [],
+    });
+
   function lookupPanel(ctx, m) {
     const S = global.STMATE_KANJUB_SCREEN;
     if (!S || !m.length) return "";
@@ -340,7 +372,7 @@ if (typeof module !== "undefined" && module.exports) module.exports = StmateRate
     const kj =
       (ctx.computed.stages && ctx.computed.stages[n] && ctx.computed.stages[n].kanjub) ||
       ctx.computed.kanjubComputed;
-    const res = R.lookup(m, R.optsFromCfg(cfg, kj));
+    const res = R.lookup(m, optsOf(ctx, cfg, kj));
     const rows = Object.entries(res.rates)
       .map(([c, v]) => {
         const cur = cfg.rates[c];
@@ -451,7 +483,7 @@ if (typeof module !== "undefined" && module.exports) module.exports = StmateRate
         { n, cfg } = S.stageCfg(ctx);
       api.recompute();
       const kj = (ctx.computed.stages[n] || {}).kanjub || ctx.computed.kanjubComputed;
-      const res = R.lookup(m, R.optsFromCfg(cfg, kj));
+      const res = R.lookup(m, optsOf(ctx, cfg, kj));
       R.applyToCfg(cfg, res, { withTbugum: !!(api.$("kr-tbugum") || {}).checked });
       u.kjMsg = res.notes.join(" · ");
       re();