diff --git a/projects/rero/ng-core/src/lib/translate/i18n/cs.json b/projects/rero/ng-core/src/lib/translate/i18n/cs.json
new file mode 100644
index 00000000..562ebd2b
--- /dev/null
+++ b/projects/rero/ng-core/src/lib/translate/i18n/cs.json
@@ -0,0 +1,114 @@
+{
+  "{{ total }} result": "",
+  "{{ total }} results": "",
+  "A file with same name already exists.": "",
+  "Add": "",
+  "Add a new file": "",
+  "Add field": "",
+  "Add fields": "",
+  "An error occurred": "",
+  "An error occurred, files cannot be loaded.": "",
+  "Apply": "",
+  "Back": "",
+  "Bad request": "",
+  "between {{min}} and {{max}}": "",
+  "Cancel": "",
+  "Checksum": "",
+  "Choose a name for your template": "",
+  "Clear filter": "",
+  "Confirmation": "",
+  "de": "",
+  "Delete": "",
+  "Do you really want to delete this record?": "",
+  "Do you really want to remove this file?": "",
+  "Do you want to quit the page? The changes made so far will be lost.": "",
+  "Download": "",
+  "Edit": "",
+  "Edit mode": "",
+  "en": "",
+  "Enter a query to get results.": "",
+  "Export as": "",
+  "Field(s) in error: ": "",
+  "File name": "",
+  "File removed successfully.": "",
+  "File uploaded successfully. The files uploaded here will be publicly available. Make sure that you are legally allowed to distribute a file before adding it to a document.": "",
+  "Filter": "",
+  "Filter…": "",
+  "Forbidden": "",
+  "fr": "",
+  "Generate a new password": "",
+  "Help": "",
+  "Information": "",
+  "it": "",
+  "Jump to": "",
+  "Last 7 days": "",
+  "Last month": "",
+  "Last year": "",
+  "less…": "",
+  "Load": "",
+  "Load from template": "",
+  "Load template": "",
+  "Loading a template will reload the current form. All values previously encoded will be lost.": "",
+  "maximum {{max}}": "",
+  "Maximum Size exceeded.": "",
+  "Metadata have been saved successfully.": "",
+  "Mime type": "",
+  "minimum {{min}}": "",
+  "Modified at": "",
+  "more…": "",
+  "My private templates": "",
+  "New version": "",
+  "No result": "",
+  "Not found": "",
+  "Number of chars": "",
+  "Number of words": "",
+  "OK": "",
+  "Press space for all.": "",
+  "Public templates": "",
+  "Quit": "",
+  "Quit the page": "",
+  "Record created.": "",
+  "Record deleted.": "",
+  "Record updated.": "",
+  "Result list is empty.": "",
+  "Save": "",
+  "Save as template": "",
+  "search": "",
+  "Search in": "",
+  "Select a template": "",
+  "Select an option…": "",
+  "should be <  {{step}}": "",
+  "should be <=  {{max}}": "",
+  "should be >  {{step}}": "",
+  "should be >=  {{min}}": "",
+  "should be equal to constant \"{{const}}\"": "",
+  "should be multiple of ${{step}}": "",
+  "should be null": "",
+  "should have {{counter}} {{keys}}": "",
+  "should NOT be longer than {{maxLength}} characters": "",
+  "should NOT be shorter than {{minLength}} characters": "",
+  "should NOT have duplicate items": "",
+  "should NOT have fewer than {{minItems}} items": "",
+  "should NOT have more than {{maxItems}} items": "",
+  "Show": "",
+  "Show or hide password": "",
+  "Size": "",
+  "Sort by": "",
+  "Stay": "",
+  "strictly {{counter}}": "",
+  "Template loaded": "",
+  "The form contains errors.": "",
+  "The password has been copied to the clipboard.": "",
+  "the value is already taken": "",
+  "There are no records in this section": "",
+  "This field is required": "",
+  "This month": "",
+  "This year": "",
+  "Too many items. Should be less than {{max}}.": "",
+  "Unauthorized": "",
+  "Upload": "",
+  "Use": "",
+  "Warning!": "",
+  "You cannot read this record": "",
+  "You cannot update this record": ""
+}