Japan Animal Welfare Act (動物愛護管理法) — Abandonment Prohibition (遺棄の禁止)
Source: 動物の愛護及び管理に関する法律 (Act on Welfare and Management of Animals, 1973 Law No.105), full statute text from laws.e-gov.go.jp, on disk as pdf-raw/jp-animal-welfare/animal_welfare_act_full.txt. The original-language text — not the English translation — is the verified C1 claim.
This P2 topic records the statutory prohibition of abandoning protected animals (愛護動物). Abandonment is a punishable offence (Art 44(3)) and is reinforced by the owner's duty of lifetime keeping (終生飼養, Art 2(2)).
Claims (verified C1 substrings of source_file — original verbatim; English in parentheses)
愛護動物を遺棄した者は、一年以下の拘禁刑又は百万円以下の罰金に処する。(EN: Whoever abandons a protected animal is punishable by up to 1 year's imprisonment or a fine up to 1,000,000 yen — Act Art 44(3).)動物の所有者は、その所有する動物の飼養又は保管の目的等を達する上で支障を及ぼさない範囲で、できる限り、当該動物がその命を終えるまで適切に飼養すること（以下「終生飼養」という。）に努めなければならない。(EN: An animal's owner must, so far as not interfering with the purpose of keeping, make every effort to keep the animal properly for its whole life (lifetime keeping) — Act Art 2(2).)