(a) Sub-contractors, or parties furnishing labor, materials, fixtures, apparatus, machinery, or services, may at any time after making his or her contract with the contractor, and shall within 90 days after the completion thereof, or, if extra or additional work or material is delivered thereafter, within 90 days after the date of completion of such extra or additional work or final delivery of such extra or additional material, cause a written notice of his or her claim and the amount due or to become due thereunder, to be sent by registered or certified mail, with return receipt requested, and delivery limited to addressee only, to or personally served on the owner of record or his agent or architect, or the superintendent having charge of the building or improvement and to the lending agency, if known; and such notice shall not be necessary when the sworn statement of the contractor or subcontractor provided for herein shall serve to give the owner notice of the amount due and to whom due, but where such statement is incorrect as to the amount, the subcontractor or material man named shall be protected to the extent of the amount named therein as due or to become due to him or her. For purposes of this Section, notice by registered or certified mail is considered served at the time of its mailing.

The form of such notice may be as follows:

To (name of owner):

You are hereby notified that I have been employed by (the name of contractor) to (state here what was the contract or what was done, or to be done, or what the claim is for) under his or her contract with you, on your property at (here give substantial description of the property) and that there was due to me, or is to become due (as the case may be) therefor, the sum of $…..

Dated at ………. this ………. day of ………., …..

(Signature)……….

(b) The serving of notice pursuant to subsection (a) of this Section shall not constitute an admission by the lien claimant that its status is that of subcontractor if it is later determined that the party with whom the lien claimant contracted was the owner or an agent of the owner.

(a) In all cases where the owner of record, his or her agent, architect, or superintendent or lending agency, if known, cannot, upon reasonable diligence, be found in the county in which said improvement is made, or shall not reside therein, the sub-contractor or person furnishing labor, services, material, fixtures, apparatus or machinery, forms or form work may give notice to such persons who cannot be found by filing within 90 days after the completion of his or her contract with the contractor, or if extra or additional work or material is delivered thereafter, within 90 days after the date of completion of such extra or additional work or final delivery of such extra or additional material, in the office of the recorder a claim for lien verified by the affidavit of himself or herself, or his or her agent or employee, which shall consist of a brief statement of his or her contract or demand, and the balance due after allowing all credits, and a sufficient correct description of the lot, lots or tract of land to identify the same. An itemized account shall not be necessary.

(b) The notice recorded pursuant to subsection (a) of this Section shall satisfy the notice requirements of Section 24 of this Act only as to any owner of record, his or her agent, architect, superintendent, or lending agency, if known, who or which cannot, upon reasonable diligence, be found or shall not reside in the county in which said improvement is made. In the event that notice is recorded as provided herein, if such notice complies with Section 7 of this Act it shall also be deemed a claim for lien recorded pursuant to Section 7 of this Act.

(c) The recording of notice pursuant to subsection (a) of this Section shall not constitute an admission by the lien claimant that its status is that of subcontractor if it is later determined that the party with whom the lien claimant contracted was the owner or an agent of the owner.