diff --git a/taxes_az/taxes_az/doctype/declaration_of_value_added_tax/declaration_of_value_added_tax.js b/taxes_az/taxes_az/doctype/declaration_of_value_added_tax/declaration_of_value_added_tax.js
index 794cf66..de4ac72 100644
--- a/taxes_az/taxes_az/doctype/declaration_of_value_added_tax/declaration_of_value_added_tax.js
+++ b/taxes_az/taxes_az/doctype/declaration_of_value_added_tax/declaration_of_value_added_tax.js
@@ -231,6 +231,11 @@ function vc_recompute(frm) {
     var gq = function (c, f) { var r = vc_row(frm, Q, c); return r ? vc_n(r[f]) : 0; };
     var sq = function (c, f, val) { var r = vc_row(frm, Q, c); if (r) r[f] = vc_r2(val); };
     sq("318", QVAT, gq("318", QPAID) * 18 / 100);
+    // 319.1-4 ƏDV = ödənilmiş məbləğ × dərəcə (fərqli — Art. 165.5/165.6 nağd/nağdsız qaytarma)
+    sq("319.1", QVAT, gq("319.1", QPAID) * 18 / 100);
+    sq("319.2", QVAT, gq("319.2", QPAID) * 17.1 / 100);
+    sq("319.3", QVAT, gq("319.3", QPAID) * 14.85 / 100);
+    sq("319.4", QVAT, gq("319.4", QPAID) * 12.6 / 100);
     sq("319", QVAT, gq("319.1", QVAT) + gq("319.2", QVAT) + gq("319.3", QVAT) + gq("319.4", QVAT));
     frm.refresh_field(Q);
 
diff --git a/taxes_az/taxes_az/doctype/declaration_of_value_added_tax_deqiqlesdirilen/declaration_of_value_added_tax_deqiqlesdirilen.json b/taxes_az/taxes_az/doctype/declaration_of_value_added_tax_deqiqlesdirilen/declaration_of_value_added_tax_deqiqlesdirilen.json
index 3df5130..295f1f2 100644
--- a/taxes_az/taxes_az/doctype/declaration_of_value_added_tax_deqiqlesdirilen/declaration_of_value_added_tax_deqiqlesdirilen.json
+++ b/taxes_az/taxes_az/doctype/declaration_of_value_added_tax_deqiqlesdirilen/declaration_of_value_added_tax_deqiqlesdirilen.json
@@ -41,7 +41,7 @@
    "in_list_view": 1,
    "label": "Əlavə dəyər vergisi məbləği",
    "read_only": 0,
-   "read_only_depends_on": "eval:[\"318\", \"319\"].indexOf((doc.göstəricilər||\"\").trim().split(/\\s+/)[0].replace(/\\.+$/,\"\")) >= 0"
+   "read_only_depends_on": "eval:[\"318\", \"319\", \"319.1\", \"319.2\", \"319.3\", \"319.4\"].indexOf((doc.göstəricilər||\"\").trim().split(/\\s+/)[0].replace(/\\.+$/,\"\")) >= 0"
   }
  ],
  "index_web_pages_for_search": 1,