(a) Maintenance and repair.— The board of commissioners may maintain and keep in good order and repair, at the expense of the township, a soldiers' monument, gun or carriage or similar memorial if the memorial:

1. (1) is not in the charge or care of an individual, body or organization; and

2. (2) was not erected by:

   1. (i) the Federal Government, the Commonwealth or the commissioners of the county; or
   2. (ii) the direction or authority of another state.