fo ” APPENDIX personal security; and by obtaining, issuing, and ecir culating notes according to the provisions of this title Provided, That the business of buying and selling invest: ment securities shall hereafter be limited to buying and selling without recourse marketable obligations evidene- ing indebtedness of any person, copartnership, association. or corporation, in the form of bonds, notes and/or deben- tures, commonly known as investment securities, unde’ such further definition of the term “investment securities’ 88 may by regulation be prescribed by the Comptrolle: of the Currency, and the total amount of such investment securities of any one obligor or maker held by such asso- ciation shall at no time exceed 25 per centum of the emount of the capital stock of such association actually paid in and unimpaired and 25 per centum of its unim- paired surplus fund, but this limitation as to total amount shall not apply to obligations of the United States, or general obligations of any State or of any political sub- division thereof, or obligations issued under authority of the Federal Farm Loan Act: And provided further, That in carrying on the business commonly known as the safe deposit business no such association shall invest in the capital stock of a corporation organized under the law of any State to conduct a safe deposit business in an amount in excess of 15 per centum of the capital stock of such association actually paid in and unimpaired and 15 per centum of its unimpaired surplus. But no association shall transact any business except such as is incidental and necessarily preliminary to its organization, until it has been authorized by the Comp- troller of the Currency to commence the business of banking. FOWER OF NATIONAL BANK TO HOLD REAL PROPERTY Section 5137, Revised Statutes, as amended by the act of Febru. ary 25, 1927 Sec. 5137. A national banking association may pur chase, hold, and convey real estate for the following pur- poses, and for no others: First. Such as shall be necessary for its accommoda- tion in the transaction of its business. Second. Such as shall be mortgaged to it in good faith by way of security for debts previously contracted