they cannot renew their RPs any earlier than 6 months in advance. they cannot renew their RPs while they are out of Qatar. Once their RPs are expired, they cannot enter Qatar without a visa. it is logically. RP is granted to those who LIVES in the country. If they are intending to stay out of Qatar for a long time, they are not considered residents anymore. Therefore they cannot have the RPs here. Simple.
they cannot renew their RPs any earlier than 6 months in advance. they cannot renew their RPs while they are out of Qatar. Once their RPs are expired, they cannot enter Qatar without a visa. it is logically. RP is granted to those who LIVES in the country. If they are intending to stay out of Qatar for a long time, they are not considered residents anymore. Therefore they cannot have the RPs here. Simple.