A strategic plan may be revised as a result of an identified need which may include an emerging issue caused by a significant event or trend experienced by young people.
Gellir diwygio cynllun strategol o ganlyniad i angen a nodir, a all gynnwys mater sy'n dod i'r amlwg yn sgil tuedd neu ddigwyddiad pwysig sy'n effeithio ar bobl ifanc.