Section 3504 - Riding on pedalcycles(a) Use of seat by operator.--A person propelling a pedalcycle shall not ride other than upon or astride a permanent and regular seat attached to the pedalcycle.(b) Number of riders.--No pedalcycle shall be used to carry more persons at one time than the number for which the pedalcycle is designed and equipped except that an adult rider may transport a child in a pedalcycle child carrier which is securely attached to the pedalcycle or in a trailer which is towed by a pedalcycle. 1976, June 17, P.L. 162, No. 81, § 1, effective 7/1/1977. Amended 1995, Dec. 15, P.L. 655, No. 72, § 4, effective in 60 days.