Section 125 – Variation of other terms
311.If this section is incorporated as a term of a periodic standard contract without modification, subject to the restrictions set out in a term of the contract that incorporates section 127, the fundamental, supplementary and additional terms of a periodic standard contract may be varied by agreement between the landlord and the contract-holder or, if the contract incorporates section 126 and 173 (landlord’s notice to end contract), by the landlord giving the contract-holder notice.