Special packing provisions

Extra conditions printed inside a packing instruction (PP, B, BB, L, LL and RR codes). These codes appear in Table A column 9a; ADR sets them out in section 4.1.4.1–4.1.4.4 of ADR 2025 (ECE/TRANS/352). 115 codes are in use, 0 reviewed. Each meaning below is a paraphrase in FreightUtils' own words, not the official text.