diff --git a/ops/370.ban-hdt-remux.sql b/ops/370.ban-hdt-remux.sql
new file mode 100644
index 00000000..c7211169
--- /dev/null
+++ b/ops/370.ban-hdt-remux.sql
@@ -0,0 +1,28 @@
+-- @operation: export
+-- @entity: batch
+-- @name: BAN HDT Remux
+-- @exportedAt: 2026-10-15T00:17:02.501Z
+-- @opIds: 14748, 14749, 14750
+
+-- --- BEGIN op 14748 ( create regular_expression "HDT" )
+insert into "regular_expressions" ("name", "pattern", "description", "regex101_id") values ('HDT', '(?<=^|[\s.-])3L\b', NULL, NULL);
+
+insert into "tags" ("name") values ('Release Group') on conflict ("name") do nothing;
+
+INSERT INTO regular_expression_tags (regular_expression_name, tag_name) VALUES ('HDT', 'Release Group');
+
+insert into "tags" ("name") values ('Remux') on conflict ("name") do nothing;
+
+INSERT INTO regular_expression_tags (regular_expression_name, tag_name) VALUES ('HDT', 'Remux');
+-- --- END op 14748
+
+-- --- BEGIN op 14749 ( update regular_expression "HDT" )
+update "regular_expressions" set "pattern" = '(?<=^|[\s.-])HDT\b' where "name" = 'HDT' and "pattern" = '(?<=^|[\s.-])3L\b';
+-- --- END op 14749
+
+-- --- BEGIN op 14750 ( update custom_format "Banned Remux" )
+INSERT INTO custom_format_conditions (custom_format_name, name, type, arr_type, negate, required)
+VALUES ('Banned Remux', 'HDT', 'release_group', 'all', 0, 0);
+
+INSERT INTO condition_patterns (custom_format_name, condition_name, regular_expression_name) VALUES ('Banned Remux', 'HDT', 'HDT');
+-- --- END op 14750