J. N. Larned, History for ready reference, Volume 5… (1895)
“ The administration of the customs on the borders even remained in the hands of the local customs-officials, only that when collected they were placed to the general account. But the unconditional right of the empire to lay down the principles of customs legislation gave it more and more of an opportunity to create finances of its own and to become more and more independent of the scheduled contributions from the separate states. ... Judicial matters are the affair of the individual state. ”
