SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of Report (date of earliest event reported): April 22, 2002 BANC ONE HELOC TRUST 1999-1 (Exact name of registrant as specified in its charter) United States 333-59845-01 36-7282500 (State or Other 	(Commission File	(I.R.S Employer Jurisdiction of 	 Number)		Identification Incorporation					Number) c/o Bank One, National Association Corporate Trust Services Division - 1 N. State Street, 9th Floor Chicago IL (Address of Principal Executive Offices) 60670 (Zip Code) Registrant's telephone number, including area code:		312-336-9730 Item 5.	Other Events On behalf of Banc One HELOC Trust 1999-1, a Trust created pursuant to the Pooling Agreement, dated May 31, 1999, the Paying Agent has caused to be filed with the Commission, the Monthly Report dated April 22, 2002. The Monthly Report is filed pursuant to and in accordance with (1) numerous no-action letters (2) current Commission policy in the area. The filing of the Monthly Report will occur subsequent to each monthly distribution to the holders of the Trust's Investor Certificates. A.	Monthly Report Information: Aggregate distribution information 	for the current distribution date April 22, 2002. 		 Principal		 Interest	 Ending Balance Cede & Co.	$7,486,733.38	$ 455,672.95	 $222,518,017.36 B.	No delinquency in payment under the Transferor Certificate, or 	the MBIA Insurance Policy has occurred. C.	Have any deficiencies occurred? NO. Date: Amount: D.	Were any amounts paid or are any amounts payable under the 	MBIA Insurance Policy? NO Amount: E.	Are there any developments with respect to the MBIA Insurance 	Policy? NONE. F.	Item 1: Legal Proceedings: NONE G.	Item 2: Changes in Securities: NONE H.	Item 4: Submission of Matters to a Vote of Security Holders: NONE I.	Item 5: Other Information - Items 1, 2, 4, 5 if applicable: NOT 	APPLICABLE Item 7.	Monthly Statements and Exhibits Exhibit No. 1. Monthly Statement to Certificateholders dated April 22, 2002 Statement to Certificateholders (Page 1 of 2) Distribution Date:						4/22/02 	INVESTOR CERTIFICATES DISTRIBUTION SUMMARY 	(PER $1000 ORIGINAL PRINCIPAL AMOUNT) A.	INTEREST & PRINCIPAL DISTRIBUTIONS TO INVESTORS 	Investor Certificate Interest Distributed		0.911346 	Investor Certificate Interest Shortfall Distributed	0.000000 	Remaining Unpaid Investor Certificate Interest Shortfall	0.000000 	Managed Amortization Period ? (Yes=1; No=0)	1 	Investors Certificate Principal Distributed		14.973467 	 Principal Distribution Amount			14.955125 	 Maximum Principal Payment			22.528487 	 Alternative Principal Payment			14.955125 	 Principal Collections less Additional Balances	14.955125 	 Investor Loss Amount Distributed to Investors	0.521327 	 Accelerated Principal Distribution Amount		-0.502985 	 Credit Enhancement Draw Amount		0.00 	Total Amount Distributed to Certificateholders (P & I)	15.884813 B.	INVESTOR CERTIFICATE PRINCIPAL BALANCE 	Beginning Investor Certificate Balance	230,004,750.73 	Ending Investor Certificate Balance		222,518,017.36 	Beginning Invested Amount		237,731,008.51 	Ending Invested Amount			229,992,782.80 	Investor Certificateholder Floating Allocation Percentage 95.9339% 	Pool Factor	0.4450360 	Liquidation Loss Amount for Liquidated Loans	271,711.47 	Unreimbursed Liquidation Loss Amount	0.00 C.	POOL INFORMATION 	Beginning Pool Balance	247,807,205.48 	Ending Pool Balance	240,057,931.59 	Servicing Fee		103,253.00 D.	INVESTOR CERTIFICATE RATE 	Investor Certificate Rate	 2.161250% 	LIBOR Rate		1.901250% 	Maximum Rate		5.000437% E.	DELINQUENCY & REO STATUS 	Delinquent 30-59 days 	 No. of Accounts	109 	 Trust Balances		2,976,212.67 	Delinquent 60-89 days 	 No. of Accounts	40 	 Trust Balances		1,513,422.00 	Delinquent 90+ days 	 No. of Accounts	89 	 Trust Balances		3,148,182.64 	Delinquent 9+ Months 	 No. of Accounts	0 	 Trust Balances		0.00 	REO 	 No. of Accounts	0 	 Trust Balances		0.00 Statement to Certificateholders (Page 2 of 2) Distribution Date:						4/22/02 	IN WITNESS WHEREOF, the undersigned has caused this Certificate 	to be duly executed and certifies to the best of her knowledge and belief 	that information is true and correct this 17th day of April, 2002 		 Bank One, N.A. 		 as Servicer 			/s/ Tracie Klein 		 _______________________________________ 		 Tracie Klein 		 Vice President 	Distribution List: 	" Keith Richardson - Bank One, N.A." SIGNATURES Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned thereunto duly authorized. BANC ONE HELOC TRUST 1999-1 By:	/s/ Keith Richardson Name:	Keith Richardson Dated April 22, 2002