3 Pa. C.S. § 4106
Such weights and measures in conformity with the standards of the United States as have been supplied to the Commonwealth by the Federal Government or otherwise obtained by the Commonwealth for use as State standards shall, when the same have been certified as being satisfactory for use as such by the National Institute of Standards and Technology, be the State standards of weight and measure. The State standards shall be kept in a safe and suitable place in the State Metrology Laboratory, shall not be removed except for repairs or for certification and shall be submitted at least once in ten years to the National Institute of Standards and Technology for certification. The State standards shall be used only in verifying the office standards and for scientific purposes. The Department of General Services shall, within six months of the effective date of this section, submit to the chairperson and minority chairperson of the Agriculture and Rural Affairs Committee of the Senate and the chairperson and minority chairperson of the Agriculture and Rural Affairs Committee of the House of Representatives a plan to obtain full National Institute of Standards and Technology accreditation for the State Metrology Laboratory. Such plan shall include recommendations to solve the space, facility and equipment deficiencies of the laboratory.
3 Pa.C.S. § 4106