diff --git a/backend/src/controller/register/mod.rs b/backend/src/controller/register/mod.rs
index b182983..844ab78 100644
--- a/backend/src/controller/register/mod.rs
+++ b/backend/src/controller/register/mod.rs
@@ -17,13 +17,19 @@ pub fn options_delete(_r: i32) -> Status {
 
 #[post("/register/batch", format = "json", data = "<data>")]
 pub async fn insert_all(data: Json<Vec<RegisterCreate>>) -> (Status, Json<JsonResult<()>>) {
-    match RegisterCreate::batch_create(data.0).await {
-        Ok(_) => (Status::Ok, JsonResult::ok(())),
-        Err(err) => {
-            eprintln!("Error creating registers: {}", err);
-            (Status::InternalServerError, JsonResult::err(err))
+    for register_create in data.iter() {
+        let res = register_create.create().await;
+
+        if let Err(err) = res {
+            eprintln!("Error creating register: {:?}", err);
+            return (
+                Status::InternalServerError,
+                JsonResult::err("Error creando registro".into()),
+            );
         }
     }
+
+    (Status::Ok, JsonResult::ok(()))
 }
 
 #[get("/register/<dni>")]
diff --git a/backend/src/model/register.rs b/backend/src/model/register.rs
index 3a44cec..4ec2634 100644
--- a/backend/src/model/register.rs
+++ b/backend/src/model/register.rs
@@ -16,46 +16,36 @@ pub struct RegisterCreate {
     date: String,
     /// Foreign key to the custom_label table
     custom_label: String,
-    /// Id of the (optional) custom_label. If -1, a new custom_label will be created
-    /// with the value of self.custom_label
-    custom_label_id: i32,
     is_preview: bool,
 }
 
 impl RegisterCreate {
-    pub async fn batch_create(registers: Vec<RegisterCreate>) -> Result<(), String> {
-        let mut transaction = match db().begin().await {
-            Ok(t) => t,
-            Err(err) => {
-                eprintln!("Error starting transaction: {:?}", err);
-                return Err(format!("Error iniciando transaccion."));
+    pub async fn create(&self) -> Result<(), sqlx::Error> {
+        let db = db();
+
+        // Get custom_label_id from db based of self.custom_label
+        let custom_label_id = {
+            if self.custom_label.is_empty() {
+                1
+            } else {
+                // Get custom_label_id from db based of self.custom_label
+                let id = CustomLabel::get_id_by_value(&self.custom_label).await?;
+
+                if id > 0 {
+                    id
+                } else {
+                    CustomLabel::create(&self.custom_label).await?
+                }
             }
         };
 
-        for register in registers.iter() {
-            // Get custom_label_id from db based of self.custom_label
-            let custom_label_id = {
-                if register.custom_label_id > 0 {
-                    register.custom_label_id
-                } 
-                else if register.custom_label.is_empty() {
-                    1
-                } 
-                else {
-                    // Create a new label
-                    CustomLabel::create(&register.custom_label)
-                        .await
-                        .or_else(|_| Err("Error creando nueva denominacion"))?
-                }
-            };
+        let next_register_code = Self::get_next_register_code(self.course_id).await?;
 
-            let next_register_code = Self::get_next_register_code(register.course_id).await?;
+        // Current date in YYYY-MM-DD format
+        let current_date = chrono::Local::now().format("%Y-%m-%d").to_string();
 
-            // Current date in YYYY-MM-DD format
-            let current_date = chrono::Local::now().format("%Y-%m-%d").to_string();
-
-            let _ = sqlx::query!(
-                "INSERT INTO register (
+        let _ = sqlx::query!(
+            "INSERT INTO register (
                 register_code,
                 register_creation_date,
                 register_display_date,
@@ -64,17 +54,16 @@ impl RegisterCreate {
                 register_person_id,
                 register_course_id
             ) VALUES (?, ?, ?, ?, ?, ?, ?)",
-                next_register_code,
-                current_date,
-                register.date,
-                custom_label_id,
-                register.is_preview,
-                register.person_id,
-                register.course_id
-            )
-            .execute(&mut *transaction)
-            .await;
-        }
+            next_register_code,
+            current_date,
+            self.date,
+            custom_label_id,
+            self.is_preview,
+            self.person_id,
+            self.course_id
+        )
+        .execute(db)
+        .await?;
 
         Ok(())
     }