The general administration and the management of the retirement system are hereby continued in a "Teachers' Retirement Board" through June 30, 1991, and thereafter, in the Consolidated Public Retirement Board created by article ten-d, chapter five of this code. The retirement board shall have the right to sue and be sued, plead and be impleaded, contract and be contracted with and shall make all necessary rules and regulations to carry out the provisions of this article. All of the business of the board shall be transacted, all of its funds invested, all warrants for money drawn and payments made, and all of its cash and securities and other property shall be held in the name of the "Teachers' Retirement Board."