We have not been able to locate any historic legislation passed on May 23rd to this point. However, the following was passed without a specific date.
An ACT for regulating weights and measures.
BE it enacted, That in each county of this province and territories there shall be had and obtained, within two years after the making of this law, at the charge of each county, to be paid out of the county levies, standards of brass, for weights and measures, according to the King’s standards for the exchequer;…
Passed: Governor William Penn
For the full version of this piece of legislation click here.