California Code, Public Utilities Code - PUC § 99206.5

“Disabled person” means any individual who by reason of illness, injury, age, congenital malfunction, or other permanent or temporary incapacity or disability, including, but not limited to, any individual confined to a wheelchair, is unable, without special facilities or special planning or design, to utilize public transportation facilities and services as effectively as a person who is not so affected.

As used in this section, a temporary incapacity or disability is an incapacity or a disability which lasts more than 90 days.