diff --git a/apk/MyVehicles.apk b/apk/MyVehicles.apk
index dbd835d..09aeb62 100644
Binary files a/apk/MyVehicles.apk and b/apk/MyVehicles.apk differ
diff --git a/app/src/main/java/com/carlostojal/myvehicles/AddInsuranceInspectionTaxRevision.java b/app/src/main/java/com/carlostojal/myvehicles/AddInsuranceInspectionTaxRevision.java
index 2e2a235..75d95e6 100644
--- a/app/src/main/java/com/carlostojal/myvehicles/AddInsuranceInspectionTaxRevision.java
+++ b/app/src/main/java/com/carlostojal/myvehicles/AddInsuranceInspectionTaxRevision.java
@@ -16,13 +16,111 @@
 import androidx.appcompat.widget.Toolbar;
 
 import android.view.View;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.TextView;
+import android.widget.Toast;
+
+import java.util.ArrayList;
+import java.util.Calendar;
 
 public class AddInsuranceInspectionTaxRevision extends AppCompatActivity {
 
+    ArrayList<Vehicle> vehicles;
+    Vehicle vehicle;
+    VehicleManager vehicleManager;
+    int type;
+
+    TextView label;
+    EditText value;
+    Button add;
+
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.activity_add_insurance_inspection_tax_revision);
+
+        label = findViewById(R.id.value_add);
+        value = findViewById(R.id.value_value_add);
+        add = findViewById(R.id.add);
+
+        Bundle extras = getIntent().getExtras();
+        type = extras.getInt("type");
+
+        vehicleManager = new VehicleManager();
+        vehicles = vehicleManager.loadVehicles(getApplicationContext(),extras.getInt("vehicleType"));
+
+        for(int i=0;i<vehicles.size();i++) {
+            if(vehicles.get(i).getRegistration().equals(extras.getString("registration"))) {
+                vehicle = vehicles.get(i);
+                break;
+            }
+        }
+
+        if(type==1) {
+            label.setText("Insurance value:");
+            add.setText("Register insurance");
+        }
+
+        else if(type==2) {
+            label.setText("Inspection value:");
+            add.setText("Register inspection");
+        }
+
+        else if(type==3) {
+            label.setText("Tax value:");
+            add.setText("Register tax");
+        }
+
+        else {
+            label.setText("Revision value:");
+            add.setText("Register revision");
+        }
     }
 
-}
+    public void onAdd(View view) {
+        ArrayList<InsuranceInspectionTaxRevision> list;
+        Calendar calendar = Calendar.getInstance();
+        Date date = new Date(calendar.get(Calendar.DAY_OF_MONTH), calendar.get(Calendar.MONTH), calendar.get(Calendar.YEAR));
+        InsuranceInspectionTaxRevision newRegister = new InsuranceInspectionTaxRevision(date, Integer.parseInt(value.getText().toString()));
+
+        if (type == 1) {
+            list = vehicle.getInsurance();
+            list.add(newRegister);
+            vehicle.setInsurance(list);
+        }
+        else if (type == 2) {
+            list = vehicle.getInspection();
+            list.add(newRegister);
+            vehicle.setInspection(list);
+        }
+        else if (type == 3) {
+            list = vehicle.getTax();
+            list.add(newRegister);
+            vehicle.setTax(list);
+        }
+        else {
+            list = vehicle.getRevision();
+            list.add(newRegister);
+            vehicle.setRevision(list);
+        }
+
+        vehicleManager.cleanVehicles(getApplicationContext());
+        vehicleManager.addVehicle(getApplicationContext(),vehicle);
+
+        for(int i=0;i<vehicles.size();i++) {
+            if(!vehicles.get(i).getRegistration().equals(vehicle.getRegistration()))
+                vehicleManager.addVehicle(getApplicationContext(),vehicles.get(i));
+        }
+
+        if(type == 1)
+            Toast.makeText(getApplicationContext(), "Insurance registered successfully.", Toast.LENGTH_SHORT).show();
+        if(type == 2)
+            Toast.makeText(getApplicationContext(), "Inspection registered successfully.", Toast.LENGTH_SHORT).show();
+        if(type == 3)
+            Toast.makeText(getApplicationContext(), "Tax registered successfully.", Toast.LENGTH_SHORT).show();
+        if(type == 4)
+            Toast.makeText(getApplicationContext(), "Revision registered successfully.", Toast.LENGTH_SHORT).show();
+        finish();
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/carlostojal/myvehicles/CarAdapter.java b/app/src/main/java/com/carlostojal/myvehicles/CarAdapter.java
index ecdc78e..7ea21f3 100644
--- a/app/src/main/java/com/carlostojal/myvehicles/CarAdapter.java
+++ b/app/src/main/java/com/carlostojal/myvehicles/CarAdapter.java
@@ -49,7 +49,7 @@ public View getView(int position, View convertView, ViewGroup parent) {
 
         StringBuilder insurance_text = new StringBuilder();
         insurance_text.append("Last insurance: ");
-        if (cars.get(position).getInsurance().get(cars.get(position).getInsurance().size() - 1).getDate().getDay() != 0) {
+        if (cars.get(position).getInsurance().get(cars.get(position).getInsurance().size()-1).getDate().getDay()!=0) {
             insurance_text.append(String.valueOf(cars.get(position).getInsurance().get(cars.get(position).getInsurance().size() - 1).getDate().getDay()));
             insurance_text.append("/");
             insurance_text.append(String.valueOf(cars.get(position).getInsurance().get(cars.get(position).getInsurance().size() - 1).getDate().getMonth()));
diff --git a/app/src/main/java/com/carlostojal/myvehicles/InsurancesInspectionsTaxesRevisions.java b/app/src/main/java/com/carlostojal/myvehicles/InsurancesInspectionsTaxesRevisions.java
index db3f820..a21c7dc 100644
--- a/app/src/main/java/com/carlostojal/myvehicles/InsurancesInspectionsTaxesRevisions.java
+++ b/app/src/main/java/com/carlostojal/myvehicles/InsurancesInspectionsTaxesRevisions.java
@@ -26,6 +26,7 @@ public class InsurancesInspectionsTaxesRevisions extends AppCompatActivity {
 
     ArrayList<Vehicle> vehicles;
     Vehicle vehicle;
+    int type;
 
     TextView label;
     TextView history;
@@ -45,7 +46,7 @@ protected void onCreate(Bundle savedInstanceState) {
         Bundle extras = getIntent().getExtras();
         String registration = extras.getString("registration"); //vehicle registration
         int vehicleType = extras.getInt("vehicleType");
-        int type = extras.getInt("type");
+        type = extras.getInt("type");
         vehicles = vehicleManager.loadVehicles(getApplicationContext(),vehicleType);
         for(int i=0;i<vehicles.size();i++) {
             if(vehicles.get(i).getRegistration().equals(registration))
@@ -66,6 +67,7 @@ protected void onCreate(Bundle savedInstanceState) {
                     insurancesInspectionsTaxesRevisions.append(String.valueOf(vehicle.getInsurance().get(i).getDate().getYear()));
                     insurancesInspectionsTaxesRevisions.append(" - ");
                     insurancesInspectionsTaxesRevisions.append(String.valueOf(vehicle.getInsurance().get(i).getValue()));
+                    insurancesInspectionsTaxesRevisions.append("\n");
                 }
             }
             if(vehicle.getInsurance().size()==1&&vehicle.getInsurance().get(0).getDate().getDay()==0) {
@@ -79,8 +81,8 @@ else if(type==2) { //inspection
             label.setText("Vehicle inspection history:");
             add.setText("Register inspection");
 
-            for(int i=0;i<vehicle.getInsurance().size();i++) {
-                if(vehicle.getInsurance().get(i).getDate().getDay()!=0) {
+            for(int i=0;i<vehicle.getInspection().size();i++) {
+                if(vehicle.getInspection().get(i).getDate().getDay()!=0) {
                     insurancesInspectionsTaxesRevisions.append("• ");
                     insurancesInspectionsTaxesRevisions.append(String.valueOf(vehicle.getInspection().get(i).getDate().getDay()));
                     insurancesInspectionsTaxesRevisions.append("/");
@@ -89,6 +91,7 @@ else if(type==2) { //inspection
                     insurancesInspectionsTaxesRevisions.append(String.valueOf(vehicle.getInspection().get(i).getDate().getYear()));
                     insurancesInspectionsTaxesRevisions.append(" - ");
                     insurancesInspectionsTaxesRevisions.append(String.valueOf(vehicle.getInspection().get(i).getValue()));
+                    insurancesInspectionsTaxesRevisions.append("\n");
                 }
             }
             if(vehicle.getInspection().size()==1&&vehicle.getInspection().get(0).getDate().getDay()==0) {
@@ -102,8 +105,8 @@ else if(type==3) { //tax
             label.setText("Vehicle tax history:");
             add.setText("Register tax");
 
-            for(int i=0;i<vehicle.getInsurance().size();i++) {
-                if(vehicle.getInsurance().get(i).getDate().getDay()!=0) {
+            for(int i=0;i<vehicle.getTax().size();i++) {
+                if(vehicle.getTax().get(i).getDate().getDay()!=0) {
                     insurancesInspectionsTaxesRevisions.append("• ");
                     insurancesInspectionsTaxesRevisions.append(String.valueOf(vehicle.getTax().get(i).getDate().getDay()));
                     insurancesInspectionsTaxesRevisions.append("/");
@@ -112,6 +115,8 @@ else if(type==3) { //tax
                     insurancesInspectionsTaxesRevisions.append(String.valueOf(vehicle.getTax().get(i).getDate().getYear()));
                     insurancesInspectionsTaxesRevisions.append(" - ");
                     insurancesInspectionsTaxesRevisions.append(String.valueOf(vehicle.getTax().get(i).getValue()));
+                    insurancesInspectionsTaxesRevisions.append("\n");
+
                 }
             }
             if(vehicle.getTax().size()==1&&vehicle.getTax().get(0).getDate().getDay()==0) {
@@ -125,8 +130,8 @@ else if(type==4) { //revision
             label.setText("Vehicle revision history:");
             add.setText("Register revision");
 
-            for(int i=0;i<vehicle.getInsurance().size();i++) {
-                if(vehicle.getInsurance().get(i).getDate().getDay()!=0) {
+            for(int i=0;i<vehicle.getRevision().size();i++) {
+                if(vehicle.getRevision().get(i).getDate().getDay()!=0) {
                     insurancesInspectionsTaxesRevisions.append("• ");
                     insurancesInspectionsTaxesRevisions.append(String.valueOf(vehicle.getRevision().get(i).getDate().getDay()));
                     insurancesInspectionsTaxesRevisions.append("/");
@@ -135,6 +140,7 @@ else if(type==4) { //revision
                     insurancesInspectionsTaxesRevisions.append(String.valueOf(vehicle.getRevision().get(i).getDate().getYear()));
                     insurancesInspectionsTaxesRevisions.append(" - ");
                     insurancesInspectionsTaxesRevisions.append(String.valueOf(vehicle.getRevision().get(i).getValue()));
+                    insurancesInspectionsTaxesRevisions.append("\n");
                 }
             }
             if(vehicle.getRevision().size()==1&&vehicle.getRevision().get(0).getDate().getDay()==0) {
@@ -147,6 +153,9 @@ else if(type==4) { //revision
 
     public void onRegister(View view) {
         Intent intent = new Intent(InsurancesInspectionsTaxesRevisions.this,AddInsuranceInspectionTaxRevision.class);
+        intent.putExtra("registration",vehicle.getRegistration());
+        intent.putExtra("vehicleType",vehicle.getType());
+        intent.putExtra("type",type);
         startActivity(intent);
     }
 }
diff --git a/app/src/main/java/com/carlostojal/myvehicles/VehicleManager.java b/app/src/main/java/com/carlostojal/myvehicles/VehicleManager.java
index 08a69bc..6c25c7f 100644
--- a/app/src/main/java/com/carlostojal/myvehicles/VehicleManager.java
+++ b/app/src/main/java/com/carlostojal/myvehicles/VehicleManager.java
@@ -122,15 +122,15 @@ public ArrayList<Vehicle> loadVehicles(Context context, int searchedType) {
             int year;
             String registration;
             int ninsurances;
-            ArrayList<InsuranceInspectionTaxRevision> insurance = new ArrayList<>();
             int ninspections;
-            ArrayList<InsuranceInspectionTaxRevision> inspection = new ArrayList<>();
             int ntaxes;
-            ArrayList<InsuranceInspectionTaxRevision> tax = new ArrayList<>();
             int nrevisions;
-            ArrayList<InsuranceInspectionTaxRevision> revision = new ArrayList<>();
             while((line=bufferedReader.readLine())!=null) {
                 String[] splitStr = line.split("; ");
+                ArrayList<InsuranceInspectionTaxRevision> insurance = new ArrayList<>();
+                ArrayList<InsuranceInspectionTaxRevision> inspection = new ArrayList<>();
+                ArrayList<InsuranceInspectionTaxRevision> tax = new ArrayList<>();
+                ArrayList<InsuranceInspectionTaxRevision> revision = new ArrayList<>();
                 type = Integer.parseInt(splitStr[0]);
                 brand = splitStr[1];
                 model = splitStr[2];
diff --git a/app/src/main/res/layout/activity_add_insurance_inspection_tax_revision.xml b/app/src/main/res/layout/activity_add_insurance_inspection_tax_revision.xml
index f4b74a4..49f8d6e 100644
--- a/app/src/main/res/layout/activity_add_insurance_inspection_tax_revision.xml
+++ b/app/src/main/res/layout/activity_add_insurance_inspection_tax_revision.xml
@@ -8,4 +8,39 @@
     tools:context=".AddInsuranceInspectionTaxRevision">
 
 
+    <TextView
+        android:id="@+id/value_add"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="16dp"
+        android:layout_marginTop="16dp"
+        android:text="@string/value"
+        android:textAppearance="@style/TextAppearance.AppCompat.Medium"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent" />
+
+    <EditText
+        android:id="@+id/value_value_add"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="16dp"
+        android:ems="10"
+        android:inputType="number"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/value_add" />
+
+    <Button
+        android:id="@+id/add"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="16dp"
+        android:layout_marginTop="24dp"
+        android:layout_marginEnd="16dp"
+        android:background="@color/colorPrimary"
+        android:onClick="onAdd"
+        android:text="Button"
+        android:textColor="@color/colorAccent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/value_value_add" />
 </androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 53210ab..bf60599 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -16,6 +16,7 @@
     <string name="inspections">inspections</string>
     <string name="taxes">Taxes</string>
     <string name="revisions">Revisions</string>
+    <string name="value">Value:</string>
     <string name="title_activity_vehicle_details">VehicleDetails</string>
     <string name="title_activity_insurances_inspections_taxes_revisions">
         InsurancesInspectionsTaxesRevisions