Node station (10; 30) for a serial bus system, having a communication control device (11; 31) to control communication between the node station (10; 30) and at least one other node station (10; 20; 30) of the bus system, and a transceiver device (12; 32) which is designed to serially transmit a transmit signal generated by the communication control device (11; 31) onto a bus of the bus system and to serially receive signals from the bus of the bus system, wherein the communication control device (11; 31) is designed to generate the transmit signal according to a frame (450; 450_1; 450_2) and to insert, into the frame (450; 450_1; 450_2), two checksums (HCRC, FCRC) which include different bits of the frame (450; 450_1; 450_2) in the calculation, wherein the communication control device (11; 31) is designed to insert dynamic stuff bits into the frame (450; 450_1; 450_2) in such a manner that an inverse stuff bit is inserted into the bit stream of the frame (450; 450_1; 450_2) after 5 identical bits in succession, wherein the communication control device (11; 31) is designed to insert a first field into the frame (450; 450_1; 450_2) in which the number of dynamic stuff bits is coded, wherein the communication control device (11; 31) is designed to insert a second field into the frame (450; 450_1; 450_2; 4500; 4500_1; 4500_2), which second field is designed to check whether the bit stream of the frame (450; 450_1; 450_2; 4500; 4500_1; 4500_2) is offset by at least one bit in comparison with the expected frame (450; 450_1; 450_2; 4500; 4500_1; 4500_2) in a node station (10; 20; 30) of the bus system that receives but has not yet transmitted the frame (450; 450_1; 450_2; 4500; 4500_1; 4500_2), wherein the communication control device (11; 31) is designed to insert the at least one first field in front of a data field in which payload data of the frame (450; 450_1; 450_2) are inserted, wherein the communication control device (11; 31) is designed to insert the at least one second field into the frame (450; 450_1; 450_2; 4500; 4500_1; 4500_2) after the data field, and wherein the communication control device (11; 31) is designed to calculate the two checksums (HCRC, FCRC) in such a way that at most one of the two checksums (HCRC, FCRC) includes the dynamic stuff bits in the calculation. a communication control device (11; 31) to control communication between the node station (10; 30) and at least one other node station (10; 20; 30) of the bus system, and a transceiver device (12; 32) which is designed to serially transmit a transmit signal generated by the communication control device (11; 31) onto a bus of the bus system and to serially receive signals from the bus of the bus system, wherein the communication control device (11; 31) is designed to generate the transmit signal according to a frame (450; 450_1; 450_2) and to insert, into the frame (450; 450_1; 450_2), two checksums (HCRC, FCRC) which include different bits of the frame (450; 450_1; 450_2) in the calculation, wherein the communication control device (11; 31) is designed to insert dynamic stuff bits into the frame (450; 450_1; 450_2) in such a manner that an inverse stuff bit is inserted into the bit stream of the frame (450; 450_1; 450_2) after 5 identical bits in succession, wherein the communication control device (11; 31) is designed to insert a first field into the frame (450; 450_1; 450_2) in which the number of dynamic stuff bits is coded, wherein the communication control device (11; 31) is designed to insert a second field into the frame (450; 450_1; 450_2; 4500; 4500_1; 4500_2), which second field is designed to check whether the bit stream of the frame (450; 450_1; 450_2; 4500; 4500_1; 4500_2) is offset by at least one bit in comparison with the expected frame (450; 450_1; 450_2; 4500; 4500_1; 4500_2) in a node station (10; 20; 30) of the bus system that receives but has not yet transmitted the frame (450; 450_1; 450_2; 4500; 4500_1; 4500_2), wherein the communication control device (11; 31) is designed to insert the at least one first field in front of a data field in which payload data of the frame (450; 450_1; 450_2) are inserted, wherein the communication control device (11; 31) is designed to insert the at least one second field into the frame (450; 450_1; 450_2; 4500; 4500_1; 4500_2) after the data field, and wherein the communication control device (11; 31) is designed to calculate the two checksums (HCRC, FCRC) in such a way that at most one of the two checksums (HCRC, FCRC) includes the dynamic stuff bits in the calculation.