There shall be prepared under the direction of the Joint Committee on Printing (1) a Congressional Directory, which shall be printed and distributed as early as practicable during the first session of each Congress and (2) a supplement to each Congressional Directory, which shall be printed and distributed as early as pr

acticable during the second regular session of each Congress. The Joint Committee shall control the number and distribution of the Congressional Directory and each supplement.

One copy of the Congressional Directory delivered to Members of the Senate and the House of Representatives (including Delegates and the Resident Commissioner) shall be bound in cloth and imprinted on the cover with the name of the Member. Copies of the Congressional Directory delivered to depository libraries may be bound in cloth. All other copies of the Congressional Directory shall be bound in paper and names shall not be imprinted thereon, except that copies printed for sale under section 722 may be bound in cloth.