A
·
B
·
C
·
D
·
E
·
F
·
G
·
H
·
I
·
J
·
K
·
L
·
M
·
N
·
O
·
P
·
Q
·
R
·
S
·
T
·
U
·
V
·
W
·
X
·
Y
·
Z
·
·

Directory Results for Bulletin SST 117 Hydroelectric Power Generation Penstock Exemptions. Penstock and related equipment may qualify for exemption under the Social Service Tax Act in two different ways, for the Production Machinery and Equipment exemption and a to Bulletin SST 117 Run-of-River Hydroelectric Power Generation Penstock Exemptions. Selected manufactured penstock and related penstock equipment is eligible for an exemption of social service tax (PST) for qualifying projects. The listed