diff --git a/backend/src/model/custom_label.rs b/backend/src/model/custom_label.rs
index 5e2b76c..2fc6533 100644
--- a/backend/src/model/custom_label.rs
+++ b/backend/src/model/custom_label.rs
@@ -1,6 +1,5 @@
 use crate::db;
 use serde::{Deserialize, Serialize};
-use sqlx::Row;
 
 #[derive(sqlx::FromRow, Serialize, Deserialize)]
 pub struct CustomLabel {
diff --git a/backend/src/model/register.rs b/backend/src/model/register.rs
index 4138827..4ec2634 100644
--- a/backend/src/model/register.rs
+++ b/backend/src/model/register.rs
@@ -16,6 +16,7 @@ pub struct RegisterCreate {
     date: String,
     /// Foreign key to the custom_label table
     custom_label: String,
+    is_preview: bool,
 }
 
 impl RegisterCreate {
@@ -57,7 +58,7 @@ impl RegisterCreate {
             current_date,
             self.date,
             custom_label_id,
-            false,
+            self.is_preview,
             self.person_id,
             self.course_id
         )
diff --git a/frontend/src/certs/NewRegister/ManualRegistration.tsx b/frontend/src/certs/NewRegister/ManualRegistration.tsx
index 7fbeead..4804e9e 100644
--- a/frontend/src/certs/NewRegister/ManualRegistration.tsx
+++ b/frontend/src/certs/NewRegister/ManualRegistration.tsx
@@ -18,6 +18,7 @@ export function ManualRegistration(props: {
 
     const [selectedCourseId, seSelectedCourseId] = createSignal<number | null>(null);
     const [customLabel, setCustomLabel] = createSignal("");
+    const [isPreview, setIsPreview] = createSignal(false);
 
     let datePicker: HTMLInputElement | undefined;
 
@@ -68,6 +69,7 @@ export function ManualRegistration(props: {
             courseId: subject,
             date,
             customLabel: customLabel(),
+            is_preview: isPreview(),
         };
 
         props.onAdd(data);
@@ -86,7 +88,7 @@ export function ManualRegistration(props: {
                     />
                 </div>
 
-                <div class="my-4 grid grid-cols-[9.5rem_auto] gap-2">
+                <div class="mt-4 mb-2 grid grid-cols-[9.5rem_auto] gap-2">
                     <div class="relative">
                         <input
                             ref={datePicker}
@@ -108,7 +110,16 @@ export function ManualRegistration(props: {
                         </div>
                     </Show>
                 </div>
-
+                <div>
+                    <input
+                        oninput={(ev) => setIsPreview(ev.target.checked)}
+                        checked={isPreview()}
+                        type="checkbox"
+                        name="is_preview"
+                        id="manual-is-preview"
+                    />
+                    <label class="px-2 py-2 select-none" for="manual-is-preview">Cert sin firmas</label>
+                </div>
                 <div>
 
 
diff --git a/frontend/src/certs/NewRegister/RegisterPresets.tsx b/frontend/src/certs/NewRegister/RegisterPresets.tsx
index b5f6cf0..206f3ff 100644
--- a/frontend/src/certs/NewRegister/RegisterPresets.tsx
+++ b/frontend/src/certs/NewRegister/RegisterPresets.tsx
@@ -46,6 +46,7 @@ export function RegisterPresets(props: {
 }) {
     let datePicker: HTMLInputElement | undefined;
     const [selectedPreset, setSelectedPreset] = createSignal<PresetName>("None");
+    const [isPreview, setIsPreview] = createSignal(false);
     const [error, setError] = createSignal("");
     const presets = genPresets();
 
@@ -86,6 +87,7 @@ export function RegisterPresets(props: {
                 courseId,
                 date: dateYYYYMMDD,
                 customLabel: "",
+                is_preview: isPreview(),
             });
 
             // Substract current date for the next course
@@ -112,7 +114,7 @@ export function RegisterPresets(props: {
                     </For>
                 </div>
             </div>
-            <div class="my-4">
+            <div class="mt-4 mb-2">
                 <div class="relative">
                     <input
                         ref={datePicker}
@@ -123,6 +125,16 @@ export function RegisterPresets(props: {
                     <label for="create-date" class="absolute -top-2 left-2 text-xs bg-c-surface px-1">Fecha</label>
                 </div>
             </div>
+            <div>
+                <input
+                    oninput={(ev) => setIsPreview(ev.target.checked)}
+                    checked={isPreview()}
+                    type="checkbox"
+                    name="is_preview"
+                    id="preset-is-preview"
+                />
+                <label class="px-2 py-2 select-none" for="preset-is-preview">Cert sin firmas</label>
+            </div>
             <div>
                 <input
                     class="bg-c-primary text-c-on-primary px-4 py-2 rounded-full cursor-pointer
diff --git a/frontend/src/certs/NewRegister/RegisterPreview.tsx b/frontend/src/certs/NewRegister/RegisterPreview.tsx
index 46f6b60..4d6a80e 100644
--- a/frontend/src/certs/NewRegister/RegisterPreview.tsx
+++ b/frontend/src/certs/NewRegister/RegisterPreview.tsx
@@ -1,10 +1,11 @@
 import { FilledCard } from "../../components/FilledCard";
-import { For, createSignal } from "solid-js";
+import { For, Show, createSignal } from "solid-js";
 import { XIcon } from "../../icons/XIcon";
 import { allCourses } from "../../utils/allCourses";
 import { RegisterBatchCreate } from "../../types/Register";
 import { RegistrationPreview } from ".";
 import { loadCustomLabels } from "../../utils/allCustomLabels";
+import { FileDashedIcon } from "../../icons/FileDashedIcon";
 
 
 function isoDateToLocalDate(date: string): string {
@@ -24,11 +25,12 @@ export function RegisterPreview(props: {selections: Array<RegistrationPreview>,
 
         await wait(2000);
 
-        const registers: RegisterBatchCreate = props.selections.map(({courseId, date, customLabel}) => ({
+        const registers: RegisterBatchCreate = props.selections.map(({courseId, date, customLabel, is_preview}) => ({
             person_id: props.personId!,
             course_id: courseId,
             date,
             custom_label: customLabel,
+            is_preview,
         }));
 
         const result = await createRegisters(registers);
@@ -50,12 +52,13 @@ export function RegisterPreview(props: {selections: Array<RegistrationPreview>,
             <h2 class="p-4 font-bold text-xl">Confirmar registro</h2>
             <div class="bg-c-surface p-4">
                 <For each={props.selections}>
-                    {({courseId, date, customLabel}) => (
+                    {({courseId, date, customLabel, is_preview}) => (
                         <Register
                             courseId={courseId}
                             date={date}
                             onDelete={props.onDelete}
                             customLabel={customLabel}
+                            isPreview={is_preview}
                         />
                     )}
                 </For>
@@ -74,23 +77,38 @@ export function RegisterPreview(props: {selections: Array<RegistrationPreview>,
     );
 }
 
-function Register(props: {courseId: number, date: string, customLabel: string, onDelete: (v: number) => void}) {
+function Register(props: {
+    courseId: number,
+     date: string,
+      customLabel: string,
+       onDelete: (v: number) => void,
+        isPreview: boolean,
+    }) {
     const courseName = () => {
         const courses = allCourses();
         return courses.find((course) => course.course_id === props.courseId)?.course_name ?? `Curso invalido! (${props.courseId})`;
     };
 
     return (
-        <div class="grid grid-cols-[auto_4rem_1.5rem] py-1 px-2 rounded-md border border-c-outline my-1">
-            {courseName()}
-            <span class="font-mono">{isoDateToLocalDate(props.date)}</span>
+        <div class="grid grid-cols-[auto_3rem_1.5rem] py-1 px-2 rounded-md border border-c-outline my-1">
+            <span title={props.isPreview ? "Sin firmas" : ""}>
+                <Show when={props.isPreview}>
+                    <FileDashedIcon size={16} class="pr-2" fill="var(--c-on-surface)" />
+                </Show>
+                {courseName()}
+            </span>
+            <span class="font-mono">
+                {isoDateToLocalDate(props.date)}
+            </span>
             <button
                 class="hover:bg-c-surface-variant rounded-md"
                 onclick={() => props.onDelete(props.courseId)}
             >
                 <XIcon fill="var(--c-on-surface)" />
             </button>
-            {props.customLabel}
+            <span>
+                {props.customLabel}
+            </span>
         </div>
     );
 }
diff --git a/frontend/src/certs/NewRegister/index.tsx b/frontend/src/certs/NewRegister/index.tsx
index 159c78f..20f58a1 100644
--- a/frontend/src/certs/NewRegister/index.tsx
+++ b/frontend/src/certs/NewRegister/index.tsx
@@ -11,6 +11,7 @@ export type RegistrationPreview = {
     courseId: number,
     date: string,
     customLabel: string,
+    is_preview: boolean,
 }
 
 export function NewRegister(props: {
@@ -32,7 +33,7 @@ export function NewRegister(props: {
 
                 <RegisterTabs active={active()} setActive={setActive} />
 
-                <div class="bg-c-surface p-4 h-[22rem]">
+                <div class="bg-c-surface p-4 h-[23rem]">
                     <Show when={active() === "Presets"}>
                         <RegisterPresets
                             onAdd={(v) => setSelections((x) => [...x, v])}
diff --git a/frontend/src/certs/Registers/index.tsx b/frontend/src/certs/Registers/index.tsx
index 34e4fa7..e969184 100644
--- a/frontend/src/certs/Registers/index.tsx
+++ b/frontend/src/certs/Registers/index.tsx
@@ -1,4 +1,4 @@
-import { For, Show, createEffect, createMemo, createSignal } from "solid-js";
+import { For, Match, Show, createEffect, createMemo, createSignal } from "solid-js";
 import { Person } from "../../types/Person";
 import { Register } from "../../types/Register";
 import { courseMap } from "../../utils/allCourses";
@@ -180,18 +180,6 @@ function RegisterEl(props: {register: Register, person: Person, onClick: () => v
 
     return (
         <div class="grid grid-cols-[11rem_1.5rem_1.25rem] border border-c-outline rounded-md">
-            {/*
-            <div class=" w-12 inline-block">
-                <Show when={generateable()}>
-                    <button
-                        onclick={genCert}
-                        class="rounded-full bg-c-primary-container hover:bg-c-primary transition-colors h-12 w-12"
-                    >
-                        <DownloadIcon fill="var(--c-on-primary-container)" />
-                    </button>
-                </Show>
-            </div>
-            */}
             <div class="p-1 border-r border-c-outline-50 align-middle">
                 <p
                     class="font-bold overflow-hidden whitespace-nowrap"
@@ -205,10 +193,21 @@ function RegisterEl(props: {register: Register, person: Person, onClick: () => v
                     </span>
                     &nbsp;
                 </p>
-                <p class="font-mono text-sm">
-                    {displayDate()}
-                    &nbsp;-&nbsp;
-                    {props.register.register_code}
+                <p class="text-sm">
+                    <span class="font-mono">
+                        {displayDate()}
+                    </span>
+
+                    <Show when={props.register.register_is_preview}>
+                        <span class="text-c-error font-bold select-none">
+                            &nbsp;sin firmas
+                        </span>
+                    </Show>
+                    <Show when={!props.register.register_is_preview}>
+                        <span class="font-mono">
+                            &nbsp;- {props.register.register_code}
+                        </span>
+                    </Show>
                 </p>
             </div>
             <button
diff --git a/frontend/src/icons/FileDashedIcon.tsx b/frontend/src/icons/FileDashedIcon.tsx
new file mode 100644
index 0000000..2796008
--- /dev/null
+++ b/frontend/src/icons/FileDashedIcon.tsx
@@ -0,0 +1,15 @@
+
+export function FileDashedIcon(props: {fill: string, size?: number, class?: string}) {
+    return (
+        <svg
+            xmlns="http://www.w3.org/2000/svg"
+            class={`inline-block w-6 ${props.class}`}
+            width={props.size ?? 32}
+            height={props.size ?? 32}
+            fill={props.fill}
+            viewBox="0 0 256 256"
+        >
+            <path d="M80,224a8,8,0,0,1-8,8H56a16,16,0,0,1-16-16V184a8,8,0,0,1,16,0v32H72A8,8,0,0,1,80,224ZM216,88v48a8,8,0,0,1-16,0V96H152a8,8,0,0,1-8-8V40H120a8,8,0,0,1,0-16h32a8,8,0,0,1,5.66,2.34l56,56A8,8,0,0,1,216,88Zm-56-8h28.69L160,51.31ZM80,24H56A16,16,0,0,0,40,40V64a8,8,0,0,0,16,0V40H80a8,8,0,0,0,0-16ZM208,168a8,8,0,0,0-8,8v40h-8a8,8,0,0,0,0,16h8a16,16,0,0,0,16-16V176A8,8,0,0,0,208,168ZM48,152a8,8,0,0,0,8-8V104a8,8,0,0,0-16,0v40A8,8,0,0,0,48,152Zm104,64H112a8,8,0,0,0,0,16h40a8,8,0,0,0,0-16Z" />
+        </svg>
+    );
+}
diff --git a/frontend/src/types/Register.ts b/frontend/src/types/Register.ts
index 3bef655..f5e633c 100644
--- a/frontend/src/types/Register.ts
+++ b/frontend/src/types/Register.ts
@@ -9,6 +9,7 @@ export type RegisterBatchCreate = Array<{
      * Value of the custom label
      */
     custom_label: string,
+    is_preview: boolean,
 }>
 
 export type Register = {