The Diet on Wednesday enacted an amendment to the Postal Law aimed at expanding the scope of the government's liability for erroneous delivery of registered mail and parcels.

The amendment, passed in a plenary session vote in the House of Councilors following approval by the House of Representatives last week, will allow affected parties to seek compensation for late and wrongly delivered items.

Under existing legislation, compensation can only be sought over lost or damaged items, as well as when payments for cash-on-delivery items are not collected. Only senders and receivers of mail can seek damages under current laws.

The Public Management, Home Affairs, Posts and Telecommunications Ministry submitted the amendment to the Diet during the current session after the Supreme Court ruled in September that the limits are partially unconstitutional.