It shall be the duty of each principal litter authority other than an Englishcounty council, a [regional council or] a joint board to maintain, in accordance with this section, a register containing copies of—
Where the requirements of a street litter control notice are varied or added to on an appeal under section 94(7) above a copy of the order making the variation or addition shall be included in the register.
Copies of the orders and notices required to be kept in the register shall be so kept for so long as the order or notice is in force.
It shall be the duty of each authority maintaining a register under this section—
A register under this section need not be kept in documentary form.