1. At the public hearing a representative of the annexing city shall first make an explanation of the report provided for in NRS 268.578.
2. Following such explanation, any record owner of real property within the territory proposed to be annexed shall be given an opportunity to be heard.
3. Any protest to such annexation shall be deemed waived unless the same is presented verbally at such public hearing, or is filed in writing with the city clerk of the annexing city within 15 days after the conclusion of such public hearing. In the case of mailed protests, the postmark on the envelope shall be deemed to be the date of filing.