Exhibit 4(h) 		 CERTIFICATE OF AMENDMENT TO 		 THE CODE OF REGULATIONS 			 OF 		 OHIO CASUALTY CORPORATION I, Howard L. Sloneker III, Senior Vice President and Secretary of Ohio Casualty Corporation (the "Company"), hereby certify that the amendment set forth in the resolutions below was duly adopted at the annual meeting of shareholders held on April 26, 2000 by the affirmative vote of holders of shares entitling them to exercise at least a majority of the voting power of the Company: 	RESOLVED, that Section 10 of Article I of the Code of 	Regulations of the Company be, and the same hereby is, 	amended by deleting in its entirety, and by adopting and 	substituting in its place a new Section 10, which shall 	provide as follows: 	Section 10. Proxies. At meetings of the shareholders, 	any shareholder of record entitled to vote may be represented 	and may vote by proxy or proxies appointed by an instrument in 	writing signed by such shareholder or appointed in any manner 	permitted by Ohio law. Any such instrument in writing or 	record of any such appointment shall be filed with or received 	by the secretary of the meeting before the person holding such 	proxy shall be allowed to vote thereunder. No appointment of 	a proxy is valid after the expiration of eleven months after 	it is made unless the writing or other comunication which 	appoints such proxy specifies the date on which it is to expire 	or the length of time it is to continue in force. IN TESTIMONY WHEREOF, I have hereunto subscribed my name, this 31st day of July, 2000. 					 /s/ Howard L. Sloneker III 					 -------------------------- 					 Howard L. Sloneker III 					 Sr. Vice President and Secretary