Chap. 433. <, further amended by striking out the second sentence and inserting in place thereof the following sentence: — The form of agreement with participating physicians, dentists, chiropodists (podiatrists) and optometrists and the methods of compensating participating physicians, dentists, chiropodists (podiatrists) and optometrists for their services to subscribers or covered dependents shall at all times be subject to the written approval of the commissioner. Section 10. Section 5 of chapter 176A of the General Laws is hereby amended by inserting after the first paragraph, as most recently amended by chapter 513 of the acts of 1954, the following paragraph:— Any hospital service corporation may join with any other hospital service corporation organized either under the laws of the commonwealth or of any other state for the purpose of establishing or maintaining an agency or corporation designed to facilitate the provision of hospital services and other health services for residents of the commonwealth employed by firms having employees located in more than one state and may enter into contracts with such an agency or corporation or with a corporation owned by such an agency or corporation for the joint administration of their business and for the joint and cooperative writing and issuing of certificates, provided that any corporation or agency which is not a nonprofit hospital service corporation with which there is joint and cooperative writing and issuing of certificates shall be qualified to do business in the commonwealth. Section 11. The third paragraph of section 3 of chapter 176B of the General Laws, added by chapter 142 of the acts of 1953, is hereby amended by adding after the word "state", in line 7, the words: — and may enter into contracts with such an agency or corporation or with a corporation owned by such an agency or corporation for the joint administration of their business and for the joint and cooperative writing and issuing of certificates, provided that any corporation or agency which is not a nonprofit medical service corporation with which there is joint and cooperative writing and issuing of certificates shall be qualified to do business in the commonwealth. Approved June 22, 1968. Chap. 433. An Act authorizing payroll deduction on account OF CONTRIBUTIONS BY STATE EMPLOYEES TO THE MASSACHUSETTS INDEPENDENT HEALTH AGENCIES. Be it enacted, etc., as follows: Chapter 180 of the General Laws is hereby amended by inserting after section 17E the following section: — Section 17F. Deductions on payroll schedules may be made from the salary of any state employee of any amount which such employee may specify in writing to the officer, or the head of the department,, board or commission, by whom or which he is employed, for the payment of a contribution to the Massachusetts Independent Health Agencies, provided, however, that a state employee shall have the right to select one or more affiliating agencies of said Massachusetts Independent Health Agencies to which he wishes to have his contribution credited. Any such authorization may be withdrawn by the employee by giving sixty Acts, 1968. — Chaps. 434, 435. 323 days notice in writing of such withdrawal to the officer, or the head of the department, board or commission, by whom or which he is then employed. The state treasurer shall deduct from the salary of such employee such amount of contribution as may be certified to him on the payroll and transmit the sum so deducted to the treasurer of the Massachusetts Independent Health Agencies Committee; provided that the state treasurer is satisfied by such evidence as he may require that the treasurer of such Massachusetts Independent Health Agencies Committee has given to said committee a bond, in a form approved by the commissioner, for the faithful performance of his duties, in a sum and with such surety or sureties as are satisfactory to the state treasurer. Approved June 22,1968.