http://www.db.yugioh-card.com/yugiohdb/faq_search.action?ope=5&fid=12692&keyword=&tag=-1
http://yugioh-wiki.net/index.php?%A1%D4%A5%B5%A5%A4%A5%AD%A5%C3%A5%AF%A1%A6%A5%D6%A5%ED%A5%C3%A5%AB%A1%BC%A1%D5=
EFFECT_FLAG_CANNOT_NEGATED
effects with text 'cannot be negated':
EFFECT_FLAG_CANNOT_DISABLE+EFFECT_FLAG_CANNOT_NEGATED
some auxiliary effects in the script: EFFECT_FLAG_CANNOT_DISABLE only

STATUS_FORBIDDEN
1.It preserves EFFECT_CHANGE_CODE, EFFECT_COUNTER_PERMIT, EFFECT_COUNTER_LIMIT.
2.It does not trigger RESET_DISABLE, and hence will not remove counters.
3.It does not check EFFECT_FLAG_CANNOT_DISABLE/EFFECT_CANNOT_DISEFFECT/EFFECT_CANNOT_DISABLE

COUNTER_NEED_ENABLE
It is used in c4694209