New Post Office Law

The Postmaster General has issued some " Regulations " for cnforcing the new law, some of which we will notice for the benefit of those roncerned. All depuiy postrnasters are authorized to send free through the mails, all letters and packages not weighing over two ounces, which they may have occasion to write or send relaiing to the business of their offices or of the Post Office Department, endorsing ihereon "post office business," and signing iheir names thereto. And those whose compensation did not exceed $200 for the year tnding the 30th of June, 1846, may also send free, through mails, letters wriiten by themselves, and receive free all written communicutions, on their own private business not weighing over one-half ounce. The franking privilege is to be enjoyed to a large exient by Members of Congress, Vice President, Heads of Deparlments, &c. under certain restrictions. All newspapers transmitted through the mails will be hereafier rated tvith posiage, except exchnnge papors between the publishers of newspapers and those franked by persons enjoying the privilege : and contractors may fake newspapers out of the mails, for salu or dislribution among subscribers. Transient newspapers or ihose not sent from the office of publication to subscribers, hand-bills or circulaj letters printed or 'lithographed, not exceeding one sheet in size, will pay 3 cents, upon delivery at the office and before they are put in the mails, and all such will be charged by depuiy postmnsters as prepaid matter in the way bilis and upon their accounts of mails sent, and stamped or marked 'pnid' with the name of the office from which sent. Transient newspapers, handbills, or circulars, cannot be recei ved free by deputypostmasters under their privilege. - If such should be addressed to them, it is their duty to return them to the sender under a new cover, charged with letter postage. lf deposited in a post office unsealed, addressed to deputy postmasters or others, they will not in any case be forwaidedby mail without pre-p.iyment of the postage. If sealed they will be -ated with letter postage, and forwarded in t'ie mail. Letters addressed to different persons cannot be enclosed in the sume envelope or package under a penalty of ten dollars, unless addressed to foreign countries. Lotters, newspapers, and packages not exceeding one ounce in weight, addressed to any officer, musician or private in the army of :he United Siates in Mexico, or nt any post or place on the frontier of the United States bordering on Mexico will pass free in the mails. Each letter so addressed, should specify after the name of the person, " belonging to the army." The law will continue in force during the war with Mexico, and for 3 monlh after its termination.