When reading a contract you need to take the WHOLE citation as the provisional language. You can not separate out one sentence from the subsequent sentences that apply to that specific citation.
Crew Scheduling may offer the “4K” sequence to a Lineholder as a reassignment at check-in consistent with 10.R. [Reassignments(s)]. Crew Scheduling must inform the Lineholder that the sequence contains a “4K” duty period. S/he is not required to accept the assignment. If the Flight Attendant accepts the “4K” sequence as a reassignment all provision of 10.R. [Reassignment(s)] will apply. If the Lineholder declines the offer, the next eligible Lineholder is seniority order may be offered the “4K” sequence under the same conditions of this provision. The process my be repeated until all available Lineholders are exhausted consistent with 10.R. [Reassignment(s)].
When reading a specific citation the entire citation is what dictates the provision not just one sentence contained within the citation.
Why do we connect back to 10.R. then? Because if you do accept the reassignment you will receive all of the reassignment protections and benefits such as pay protection for any portion of your original trip affected by the acceptance of the reassignment. Today, if you are reassigned you do not get to reject the assignment. Under TA2 you will ONLY get to reject the assignment if it contains a 4K sequence. The ability to pass on a reassignment of a 4K trip is contained within the language for 4K pairings and carves out the specific rules which only apply to a 4K sequence. No Lineholder is required to accept a 4K reassignment offer!