before the next annual inspection, he may prescribe in writing such 
measures of precaution, or may make in writing such conditions as to 
(he use of his certificate, as may in his judgment be necessary, and he 
may withhold his certificate until such conditions have been accepted in 
writing by the owner of said nursery; and the use of such certificate 
without taking such measures of precaution or observing such condi^ 
tions shall subject the owner of said nursery to the penalties prescribed 
in section 5 for a violation of this Act. 
Whenever any nurser3-man or seller of trees, shrubs, vines, plants, 
buds, or cuttings commonly known as nursery stock, shall ship or de- 
liver any such stock he shall place and send on each car, box, baler, 
bundle, package, or piece, a true copy of a valid certificate of inspec- 
tion, signed by the State Entomologist of Illinois, or by another in- 
spector duly approved by him. showing that the said stock has been 
carefully inspected and found apparently free from any dangerous 
insects or dangerous plant disease. Any person who shall deliver, 
ship, or consign for shipment nursery stock without such certificate 
attached, or who shall use such certificate in connection with nursery 
stock any and every part of which has not been inspected and certir 
fied as aforesaid, or who shall alter or deface such certificate, or who 
shall use an imperfect copy of such certificate, shall be liable to the 
penalties prescribed in section 5 for a violation of this Act. 
If the State Entomologist shall find that his certificate of inspec-. 
tion has been used in violation of law, he shall have power to revoke 
and annul said certificate by written notice to the holder thereof, and 
such notice shall take effect forthwith, and the use of said certificate 
after it has been revoked and annulled, and before such revocation 
has been withdrawn by the State Entomologist, shall subject the 
holder of said certificate to the penalties provided in section 5 for a 
violation of this Act. 
It shall be the privilege of the nurseryman to ship, under the cer- 
tificate issued to him, nursery stock grown for him elsewhere or pur- 
chased by him from other states or countries : Provided, that all such 
stock be received under a certificate satisfactory to the State Entomol- 
ogist stating that it has been inspected where grown and found to be 
apparently free from dangerous insects and dangerous plant diseases. 
The State Entomologist shall send, once each year not later than July 
1, to all nurserymen in the State known to him, a list of official in-^ 
spectors of other states and foreign countries whose inspection -cer- 
tificates may be accepted in this State, for one year from the date 
thereof, as equivalent to his own certificate. 
Every agent for a nursery outside of Illinois and every dealer not 
engaged in growing trees, shrubs, plants, or vines, in this State, for 
sale, who sells or delivers such stock in this State, shall, before de- 
livering the same, place on file in the office of the State Entomologist 
a statement made under oath before an officer qualified to administer 
oaths in the locality where he may reside, or, if a non-resident of the 
State, in the locality where said stock is sold or delivered, that the 
said stock has been duly inspected and was received by him accompa-i 
