diff --git a/src/components/App/ConceptSection.vue b/src/components/App/ConceptSection.vue
index 9ccb000..9e1909b 100644
--- a/src/components/App/ConceptSection.vue
+++ b/src/components/App/ConceptSection.vue
@@ -225,7 +225,6 @@ const handleSubmit = () => {
             :id="$t('concept.legal')"
             type="text"
             :onError="form.errors.legal_instrument"
-            required
           />
           <Input
             v-model="form.article"
@@ -233,7 +232,6 @@ const handleSubmit = () => {
             :id="$t('concept.article')"
             type="text"
             :onError="form.errors.article"
-            required
           />
         </div>
         <Textarea
@@ -260,37 +258,50 @@ const handleSubmit = () => {
             />
           </div>
         </div>
+        <!-- Rango: solo monto mínimo y monto máximo (UMA o pesos) -->
         <div
-          v-if="showUmaFields && isRangeType"
-          class="mb-5 grid grid-cols-3 gap-4 py-2"
+          v-if="isRangeType"
+          class="mb-5 grid grid-cols-2 gap-4 py-2"
         >
-          <Selectable
-            v-model="form.unit_id"
-            label="name"
-            value="id"
-            :title="$t('concept.sizeUnit')"
-            :options="units"
-            required
-          />
           <Input
+            v-if="showUmaFields"
             v-model="form.min_amount_uma"
             :id="$t('concept.minimumAmountUma')"
             type="number"
             step="0.01"
             :onError="form.errors.min_amount_uma"
+            required
           />
           <Input
+            v-if="showUmaFields"
             v-model="form.max_amount_uma"
             :id="$t('concept.maximumAmountUma')"
             type="number"
             step="0.01"
             :onError="form.errors.max_amount_uma"
+            required
+          />
+          <Input
+            v-if="showPesoFields"
+            v-model="form.min_amount_peso"
+            :id="$t('concept.minimumAmountPeso')"
+            type="number"
+            step="0.01"
+            :onError="form.errors.min_amount_peso"
+            required
+          />
+          <Input
+            v-if="showPesoFields"
+            v-model="form.max_amount_peso"
+            :id="$t('concept.maximumAmountPeso')"
+            type="number"
+            step="0.01"
+            :onError="form.errors.max_amount_peso"
+            required
           />
         </div>
-        <div
-          v-if="showPesoFields && isRangeType"
-          class="mb-5 grid grid-cols-3 gap-4 py-2"
-        >
+        <!-- Tabulador: unidad de medida y costo por unidad (UMA o pesos) -->
+        <div v-if="isFixedType" class="mb-5 grid grid-cols-2 gap-4 py-2">
           <Selectable
             v-model="form.unit_id"
             label="name"
@@ -300,52 +311,24 @@ const handleSubmit = () => {
             required
           />
           <Input
-            v-model="form.min_amount_peso"
-            :id="$t('concept.minimumAmountPeso')"
+            v-if="showUmaFields"
+            v-model="form.unit_cost_uma"
+            :id="$t('concept.costUnitUma')"
             type="number"
             step="0.01"
-            :onError="form.errors.min_amount_peso"
+            :onError="form.errors.unit_cost_uma"
+            required
           />
           <Input
-            v-model="form.max_amount_peso"
-            :id="$t('concept.maximumAmountPeso')"
+            v-if="showPesoFields"
+            v-model="form.unit_cost_peso"
+            :id="$t('concept.costUnitPeso')"
             type="number"
             step="0.01"
-            :onError="form.errors.max_amount_peso"
+            :onError="form.errors.unit_cost_peso"
+            required
           />
         </div>
-        <div v-if="isFixedType">
-          <hr class="my-4 border-gray-300" />
-          <h4 class="text-lg font-semibold mb-4 text-gray-700">
-            {{ $t("concept.tabulator") }}
-          </h4>
-          <div class="mb-5 grid grid-cols-3 gap-4 py-2">
-            <Selectable
-              v-model="form.unit_id"
-              label="name"
-              value="id"
-              :title="$t('concept.sizeUnit')"
-              :options="units"
-              required
-            />
-            <Input
-              v-if="showUmaFields"
-              v-model="form.unit_cost_uma"
-              :id="$t('concept.costUnitUma')"
-              type="number"
-              step="0.01"
-              :onError="form.errors.unit_cost_uma"
-            />
-            <Input
-              v-if="showPesoFields"
-              v-model="form.unit_cost_peso"
-              :id="$t('concept.costUnitPeso')"
-              type="number"
-              step="0.01"
-              :onError="form.errors.unit_cost_peso"
-            />
-          </div>
-        </div>
         <div class="flex justify-center mt-4">
           <button
             type="submit"