Proposal to transpose Phase 2 amendments to GTR 13 into UN R134.

Proposal to update add a reference to ISO 17268-1:2025.

Proposal to align UN R134 with Amendment 1 to GTR 13.

Correction to an error in paragraph 5.2. of the original proposal.

Proposal to align UN R134 with the Phase 2 amendments to GTR 13, including provisions on remote TPRD and their supply lines and on containers with multiple interconnected chambers, and to make corrections.