(a) Adoption of plan.— A borough that has not maintained an accurate plan of borough streets adopted in accordance with this part prior to July 16, 2012, may only adopt a plan of streets under the Pennsylvania Municipalities Planning Code, governing the adoption of an official map.
(b) Amendments to plan.— If a borough maintains a plan of streets adopted prior to July 16, 2012, or maintains an official map containing opened and unopened streets, a street laid out in accordance with this part by ordinance or by final approval of a subdivision or land development plan must be deemed an amendment to the plan. Notwithstanding any other provision of law, a deemed amendment as provided in this section and a subsequent placement of the street on a plan may not be subject to public notice or public hearing, if the street has been laid out in accordance with the requirements of this chapter.
(c) Prohibition.— The maintenance of a plan of streets or official map shall not be required in order for a borough to lay out streets in accordance with section 1721.2(b) (relating to laying out streets and procedure) or lay out and open a street in accordance with section 1724 (relating to effect of laying out street).