Which NEC table requires the $12\frac{1}{2}\%$ rule for sizing purposes when the size of the largest ungrounded conductor exceeds $1,100$kcmil copper or $1,750$kcmil aluminum or copperclad aluminum?

a$.$ Table $1,$ Chapter $9$

b$.$ Table $250\mathrm{.}66$

c$.$ Table $250\mathrm{.}102($C$)(1)$

d$.$ Table $250\mathrm{.}122$