diff --git a/migrations/20250216175313_create_adresar_table.sql b/migrations/20250216175313_create_adresar_table.sql
index 9dbf7b2..1613c51 100644
--- a/migrations/20250216175313_create_adresar_table.sql
+++ b/migrations/20250216175313_create_adresar_table.sql
@@ -1,6 +1,7 @@
 -- Add migration script here
 CREATE TABLE adresar (
     id BIGSERIAL PRIMARY KEY,
+    deleted BOOLEAN NOT NULL DEFAULT FALSE,
     firma TEXT NOT NULL,
     kz TEXT,
     drc TEXT,
@@ -16,5 +17,6 @@ CREATE TABLE adresar (
     telefon TEXT,
     skladu TEXT,
     fax TEXT,
-    created_at TIMESTAMPTZ DEFAULT CURRENT_TIMESTAMP 
+    created_at TIMESTAMPTZ DEFAULT CURRENT_TIMESTAMP,
+    updated_at TIMESTAMPTZ DEFAULT CURRENT_TIMESTAMP 
 );
diff --git a/src/adresar/handlers/delete_adresar.rs b/src/adresar/handlers/delete_adresar.rs
index 1700f6d..fa06f40 100644
--- a/src/adresar/handlers/delete_adresar.rs
+++ b/src/adresar/handlers/delete_adresar.rs
@@ -9,7 +9,8 @@ pub async fn delete_adresar(
 ) -> Result<DeleteAdresarResponse, Status> {
     let rows_affected = sqlx::query!(
         r#"
-        DELETE FROM adresar
+        UPDATE adresar
+        SET deleted = true
         WHERE id = $1
         "#,
         request.id
@@ -23,3 +24,4 @@ pub async fn delete_adresar(
         success: rows_affected > 0,
     })
 }
+
diff --git a/src/adresar/handlers/get_adresar.rs b/src/adresar/handlers/get_adresar.rs
index 7e7bd4e..b20b1f9 100644
--- a/src/adresar/handlers/get_adresar.rs
+++ b/src/adresar/handlers/get_adresar.rs
@@ -11,7 +11,24 @@ pub async fn get_adresar(
     let adresar = sqlx::query_as!(
         Adresar,
         r#"
-        SELECT id, firma, kz, drc, ulica, psc, mesto, stat, banka, ucet, skladm, ico, kontakt, telefon, skladu, fax
+        SELECT
+            id,
+            deleted,
+            firma,
+            kz,
+            drc,
+            ulica,
+            psc,
+            mesto,
+            stat,
+            banka,
+            ucet,
+            skladm,
+            ico,
+            kontakt,
+            telefon,
+            skladu,
+            fax
         FROM adresar
         WHERE id = $1
         "#,
@@ -40,3 +57,4 @@ pub async fn get_adresar(
         fax: adresar.fax.unwrap_or_default(),
     })
 }
+
diff --git a/src/adresar/handlers/get_adresar_by_position.rs b/src/adresar/handlers/get_adresar_by_position.rs
index 17b73b5..9470bc9 100644
--- a/src/adresar/handlers/get_adresar_by_position.rs
+++ b/src/adresar/handlers/get_adresar_by_position.rs
@@ -1,4 +1,4 @@
-// src/adresar/handlers/get_by_position.rs
+// src/adresar/handlers/get_adresar_by_position.rs
 use tonic::{Status};
 use sqlx::PgPool;
 use crate::proto::multieko2::{PositionRequest, AdresarResponse, GetAdresarRequest};
@@ -11,16 +11,24 @@ pub async fn get_adresar_by_position(
     if request.position < 1 {
         return Err(Status::invalid_argument("Position must be at least 1"));
     }
-    let offset = request.position - 1;
-
+    
+    // Find the ID of the Nth non-deleted record
     let id: i64 = sqlx::query_scalar!(
-        "SELECT id FROM adresar ORDER BY id ASC OFFSET $1 LIMIT 1",
-        offset
+        r#"
+        SELECT id 
+        FROM adresar 
+        WHERE deleted = FALSE 
+        ORDER BY id ASC 
+        OFFSET $1 
+        LIMIT 1
+        "#,
+        request.position - 1
     )
     .fetch_optional(db_pool)
     .await
     .map_err(|e| Status::internal(e.to_string()))?
     .ok_or_else(|| Status::not_found("Position out of bounds"))?;
-
+    
+    // Now fetch the complete record using the existing get_adresar function
     get_adresar(db_pool, GetAdresarRequest { id }).await
 }
diff --git a/src/adresar/handlers/get_adresar_count.rs b/src/adresar/handlers/get_adresar_count.rs
index ac5c943..dc93c7c 100644
--- a/src/adresar/handlers/get_adresar_count.rs
+++ b/src/adresar/handlers/get_adresar_count.rs
@@ -1,5 +1,5 @@
 // src/adresar/handlers/get_adresar_count.rs
-use tonic::{Status};
+use tonic::Status;
 use sqlx::PgPool;
 use crate::proto::multieko2::{CountResponse, Empty};
 
@@ -8,12 +8,16 @@ pub async fn get_adresar_count(
     _request: Empty,
 ) -> Result<CountResponse, Status> {
     let count: i64 = sqlx::query_scalar!(
-        "SELECT COUNT(*) as count FROM adresar"
+        r#"
+        SELECT COUNT(*) AS count
+        FROM adresar
+        WHERE deleted = FALSE
+        "#
     )
     .fetch_one(db_pool)
     .await
     .map_err(|e| Status::internal(e.to_string()))?
-    .unwrap_or(0); // Handle the case where the count is None
+    .unwrap_or(0);
 
     Ok(CountResponse { count })
 }
diff --git a/src/adresar/handlers/post_adresar.rs b/src/adresar/handlers/post_adresar.rs
index 3c405b5..f47c608 100644
--- a/src/adresar/handlers/post_adresar.rs
+++ b/src/adresar/handlers/post_adresar.rs
@@ -12,9 +12,16 @@ pub async fn post_adresar(
         Adresar,
         r#"
         INSERT INTO adresar (
-            firma, kz, drc, ulica, psc, mesto, stat, banka, ucet, skladm, ico, kontakt, telefon, skladu, fax
-        ) VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11, $12, $13, $14, $15)
-        RETURNING id, firma, kz, drc, ulica, psc, mesto, stat, banka, ucet, skladm, ico, kontakt, telefon, skladu, fax
+            firma, kz, drc, ulica, psc, mesto, stat, banka, ucet,
+            skladm, ico, kontakt, telefon, skladu, fax, deleted
+        )
+        VALUES (
+            $1, $2, $3, $4, $5, $6, $7, $8, $9,
+            $10, $11, $12, $13, $14, $15, $16
+        )
+        RETURNING
+            id, deleted, firma, kz, drc, ulica, psc, mesto, stat,
+            banka, ucet, skladm, ico, kontakt, telefon, skladu, fax
         "#,
         request.firma,
         request.kz,
@@ -30,7 +37,8 @@ pub async fn post_adresar(
         request.kontakt,
         request.telefon,
         request.skladu,
-        request.fax
+        request.fax,
+        false  // Set deleted to false by default
     )
     .fetch_one(db_pool)
     .await
@@ -38,6 +46,8 @@ pub async fn post_adresar(
 
     Ok(AdresarResponse {
         id: adresar.id,
+        // Do not include `deleted` in the response since it's not
+        // defined in the proto message.
         firma: adresar.firma,
         kz: adresar.kz.unwrap_or_default(),
         drc: adresar.drc.unwrap_or_default(),
@@ -55,3 +65,4 @@ pub async fn post_adresar(
         fax: adresar.fax.unwrap_or_default(),
     })
 }
+
diff --git a/src/adresar/handlers/put_adresar.rs b/src/adresar/handlers/put_adresar.rs
index da8d9cb..51ca751 100644
--- a/src/adresar/handlers/put_adresar.rs
+++ b/src/adresar/handlers/put_adresar.rs
@@ -28,8 +28,25 @@ pub async fn put_adresar(
             telefon = $14,
             skladu = $15,
             fax = $16
-        WHERE id = $1
-        RETURNING id, firma, kz, drc, ulica, psc, mesto, stat, banka, ucet, skladm, ico, kontakt, telefon, skladu, fax
+        WHERE id = $1 AND deleted = FALSE
+        RETURNING
+            id,
+            deleted,
+            firma,
+            kz,
+            drc,
+            ulica,
+            psc,
+            mesto,
+            stat,
+            banka,
+            ucet,
+            skladm,
+            ico,
+            kontakt,
+            telefon,
+            skladu,
+            fax
         "#,
         request.id,
         request.firma,
@@ -71,3 +88,4 @@ pub async fn put_adresar(
         fax: adresar.fax.unwrap_or_default(),
     })
 }
+
diff --git a/src/adresar/models.rs b/src/adresar/models.rs
index e1131be..cc303aa 100644
--- a/src/adresar/models.rs
+++ b/src/adresar/models.rs
@@ -4,6 +4,7 @@ use serde::{Deserialize, Serialize};
 #[derive(Debug, Serialize, Deserialize)]
 pub struct Adresar {
     pub id: i64,
+    pub deleted: bool,
     pub firma: String,
     pub kz: Option<String>,
     pub drc: Option<String>,