The question is regarded as almost entirely commercial, rather than naval, and it is assumed that if a plan to provide American coaling stations was carried out it would be through some social rather than through an actual government body. CARRIAGE IS EXPECTED TO LEAVE TO PROTOCOL Commissioner Paul Reported on His Way Back to United States from Mexico. MAY PANIS KORDEN TODAY Americans Will Insist Upon Addenda That Will Serve as Guarantee That Rights of Foreigners Will Be Reassured and Protected. By Associated Press. WASHINGTON, December—Official Information today that Alberto Pan, who carried to the United States the border-protection protocol agreed to at Atlantic City, was on his way back to the United States from Mexico, was construed as an indication that the First Chief had ratified the document. The joint commission that drafted the protocol, adjourned on November and reassemble December 9, if Carranza's action was favorable, is believed Mr. Pan will cross the border at Uaredo perhaps tomorrow, and make telegraphic report from there. If he reports the ratification of the protocol, the commission will convene here on Friday and adjourn until he can reach Washington. Luis Cabrera, chairman of the Mexican commission.  In an interview credited to him recently in a Mexico newspaper, referred to the subjects to be discussed after the ratification of the protocol as of "minor importance," but the program drafted by the American commissioners includes a list of subjects regarded by them as of great importance. 