Policy. The general principles by which a government is guided in its management of public affairs, or the legislature in its measures. A general term used to describe all contracts of insurance.he general principles by which a government is guided in its management of public affairs, or the legislature in its measures. A general term used to describe all contracts of insurance.
The skin test reaction should be read between. 48 and 72 hours after administration. A patient. who does not return within 72 hours will need. to be rescheduled for another skin test. The reaction should be measured in. millimeters of the induration (palpable, raised, hardened area or swelling).
No Expiration, once obtained, this TB clearance can be used through High School. Infants younger than 12 months of age can enter without TB Clearance Certificate, but will need to obtain a clearance between 12-14 months of age.