...other matters relating exclusively to the business of the Government of the United States: Provided, That every such letter or package to entitle it to...shall bear over the words "Official business," an endorsement showing also the name of the Department, and, if from a bureau or office, the names of...

...business of the Government of the United States (or of such Institution, Home, or Bureau) : Provided, That every such letter or package to entitle it to...shall bear over the words " Official business " an endorsement showing also the name of the Department, and if from a bureau or office (or officer), the...

...the authority of any board of health of any State, Territory or city in the United States. "Sec. 2. That every such letter or package to entitle it to pass free shall bear over the words ''Public Health Business' an indorsement showing the name of the State, Territorial or municipal board...

...Provided. That every such letter or pack- sec. 5, Mar. 3, .... ., ' in, j 1877. v. 19, p. 385. age to entitle it to pass free shall bear over the words "Official business" an endorsement showing also the name of the department, and, if from a bureau or office, the names of...

...entitle it to pass free shall 1няг over the words "Official business" an en<lorseroent showing nlso the name of the Department, and, if from a bureau or office, the name« of the Department and bureau or office, as the case may be. whence transmitted. » * * ¿;«c....