As filed with the Securities and Exchange Commission on March 13, 1998 Registration No. 333-47865 ================================================================================ SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 Post-Effective Amendment No. 1 to FORM S-8 REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933 INTERNATIONAL TELECOMMUNICATION DATA SYSTEMS, INC. (Exact name of issuer as specified in its charter) DELAWARE 06-12959 (State or other jurisdiction of (I.R.S. Employer incorporation or organization) Identification No.) 225 HIGH RIDGE ROAD, STAMFORD, CONNECTICUT 06905 (Address of Principal Executive Offices) (Zip Code) 1997 STOCK INCENTIVE PLAN (Full title of the plan) JOHN H. CHORY, ESQ. HALE AND DORR LLP 60 STATE STREET BOSTON, MA 02109 (Name and address of agent for service) (617) 526-6000 (Telephone number, including area code, of agent for service) ================================================================================ CALCULATION OF REGISTRATION FEE Proposed Proposed Title of maximum maximum securities Amount offering aggregate Amount of to be to be price offering registration registered registered per share price fee - ------------ ---------- --------- --------- ------------ Common Stock, 1,125,000 $25.1875(1) $28,335,938(1) $8,359.10(2) $.01 shares par value - -------------------------------------------------------------------------------- (1) Estimated solely for the purpose of calculating the registration fee, and based upon the average of the high and low prices of the Common Stock on the Nasdaq National Market on March 11, 1998 in accordance with Rules 457(c) and 457(h) of the Securities Act of 1933. (2) Previously Paid. ================================================================================ Explanatory Note Signature page being filed herewith solely to reflect date change which was inadvertently omitted in the initial S-8 filing filed on March 12, 1998 at 17:20 EST. (Accession Number: 0001029869-98-000377). SIGNATURES Pursuant to the requirements of the Securities Act, the registrant certifies that it has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and has duly caused this Registration Statement to be signed on its behalf by the undersigned, thereunto duly authorized, in Stamford, Connecticut on this 12th day of March, 1998. INTERNATIONAL TELECOMMUNICATION DATA SYSTEMS, INC. By: /s/ Peter Bassermann --------------------------- Peter Bassermann President and Chief Executive Officer POWER OF ATTORNEY We, the undersigned officers and directors of International Telecommunication Data Systems, Inc. hereby severally constitute Peter P. Bassermann, Peter L. Masanotti and John H. Chory, and each of them singly, our true and lawful attorneys with full power to them, and each of them singly, to sign for us and in our names in the capacities indicated below, the Registration Statement on Form S-8 filed herewith and any and all subsequent amendments to said Registration Statement, and generally to do all such things in our names and behalf in our capacities as officers and directors to enable International Telecommunication Data Systems, Inc. to comply with all requirements of the Securities and Exchange Commission, hereby ratifying and confirming our signatures as they may be signed by said attorneys, or any of them, to said Registration Statement and any and all amendments thereto. -7- Pursuant to the requirements of the Securities Act, this Registration Statement has been signed below by the following persons in the capacities indicated as of March 12, 1998. Signature Title --------- ----- /s/ Peter P. Bassermann President, Chief Executive - --------------------------- Officer and Director (Principal Peter P. Bassermann Executive Officer) /s/ Paul K. Kothari Chief Financial Officer - --------------------------- (Principal Financial Paul K. Kothari and Accounting Officer) /s/ Lewis D. Bakes Director - --------------------------- Lewis D. Bakes /s/ Stuart L. Bell Director - --------------------------- Stuart L. Bell /s/ Peter L. Masanotti Director - --------------------------- Peter L. Masanotti /s/ Stephen J. Saft Director - --------------------------- Stephen J. Saft -8-