(1) Not more than two such signs are erected on such parcel of land, and such signs are located at least fifty feet apart, and

(2) No such sign has an area of more than forty-eight square feet, and

(3) No such sign extends more than twenty feet above ground level, and

(4) No such sign is placed within ten feet of a highway right of way, and

(5) No such sign is illuminated by or contains a flashing, intermittent, rotating, or moving light or lights, and

(6) No such sign moves or the visible portion thereof contains any moving or animated parts. b. A sign erected or maintained within an incorporated village. c. A sign erected by the state, a county, a town or an agency or department thereof. 3. To effectuate the purposes enumerated in subdivision 1 of this section, the commission shall establish uniform written rules and procedures for the application for and granting of permits for the erection or maintenance of signs, advertising structures and devices for which permits are required to be obtained from it under this section. Such rules and procedures shall contain provisions for the granting of the requisite permit for any such sign, advertising structure or device erected prior to the effective date of this section for a period of time not exceeding the remaining or undepreciated useful life of such sign, advertising structure or device as determined by an appropriate depreciation formula, provided that no such sign shall be permitted after July 1, 1973. For such purpose, until July 1, 1973, the commission shall authorize the use of a formula commonly used for income tax purposes or the depreciation formula used in the depreciation schedules of the income tax returns of the owner of such sign, advertising structure or device. 4. Any action of the commission by which an application for a permit under this section is denied shall be reviewable pursuant to the provisions of article 78 of the Civil Practice Law and Rules.