may secure the result that any gap in entitlement to disability living allowance is to be disregarded for the purposes of provision under the regulations;

may make provision about cases in which provision made by regulations under section 80(2) (required period condition) is to apply with modifications;

may, for the purposes of provision made by virtue of paragraph (b), provide for a period of entitlement to disability living allowance to be taken into account in determining whether a person meets “the required period condition” for the purposes of section 78(1) or (2) or 79(1) or (2).