As per Indian Standards linear dynamic analysis shall be performed to obtain the design lateral force for all bulidings other than:

A

Rectangular building lower than 15 m in siesmic zone I.

B

Rectangular building lower than 15 m in siesmic zone II.

C

Rectangular building lower than 10 m in siesmic zone II.

D

Rectangular building lower than 10 m in siesmic zone I.