A first terminal (601; 701) for communicating in a wireless communication system, the first terminal (601; 701) comprising: a transceiver; and at least one processor configured to: control the transceiver to transmit, to a second terminal (602; 702), a sidelink control information, SCI, format including a first field indicating whether hybrid automatic repeat request, HARQ, feedback is enabled or disabled, control the transceiver to transmit, to the second terminal (602; 702), a physical sidelink shared channel, PSSCH, and in case that reporting of HARQ-acknowledgement, HARQ-ACK, information by the second terminal (602; 702) is enabled, control the transceiver to receive, from the second terminal (602; 702), a physical sidelink feedback channel, PSFCH, including the HARQ-ACK information for the PSSCH, wherein the reporting of HARQ-ACK information by the second terminal (602; 702) is enabled when: resource pool configuration information for the PSFCH indicates a resource for the PSFCH exists in a resource pool, wherein the resource pool configuration information for the PSFCH is transmitted by the base station, and the first field indicates that the HARQ feedback is enabled, and wherein the reporting of HARQ-ACK information by the second terminal (602; 702) is disabled when: the resource pool configuration information for the PSFCH does not include a PSFCH resource, or the first field indicates that the HARQ feedback is disabled. a transceiver; and at least one processor configured to: control the transceiver to transmit, to a second terminal (602; 702), a sidelink control information, SCI, format including a first field indicating whether hybrid automatic repeat request, HARQ, feedback is enabled or disabled, control the transceiver to transmit, to the second terminal (602; 702), a physical sidelink shared channel, PSSCH, and in case that reporting of HARQ-acknowledgement, HARQ-ACK, information by the second terminal (602; 702) is enabled, control the transceiver to receive, from the second terminal (602; 702), a physical sidelink feedback channel, PSFCH, including the HARQ-ACK information for the PSSCH, wherein the reporting of HARQ-ACK information by the second terminal (602; 702) is enabled when: resource pool configuration information for the PSFCH indicates a resource for the PSFCH exists in a resource pool, wherein the resource pool configuration information for the PSFCH is transmitted by the base station, and the first field indicates that the HARQ feedback is enabled, and wherein the reporting of HARQ-ACK information by the second terminal (602; 702) is disabled when: the resource pool configuration information for the PSFCH does not include a PSFCH resource, or the first field indicates that the HARQ feedback is disabled. control the transceiver to transmit, to a second terminal (602; 702), a sidelink control information, SCI, format including a first field indicating whether hybrid automatic repeat request, HARQ, feedback is enabled or disabled, control the transceiver to transmit, to the second terminal (602; 702), a physical sidelink shared channel, PSSCH, and in case that reporting of HARQ-acknowledgement, HARQ-ACK, information by the second terminal (602; 702) is enabled, control the transceiver to receive, from the second terminal (602; 702), a physical sidelink feedback channel, PSFCH, including the HARQ-ACK information for the PSSCH, wherein the reporting of HARQ-ACK information by the second terminal (602; 702) is enabled when: resource pool configuration information for the PSFCH indicates a resource for the PSFCH exists in a resource pool, wherein the resource pool configuration information for the PSFCH is transmitted by the base station, and the first field indicates that the HARQ feedback is enabled, and wherein the reporting of HARQ-ACK information by the second terminal (602; 702) is disabled when: the resource pool configuration information for the PSFCH does not include a PSFCH resource, or the first field indicates that the HARQ feedback is disabled. resource pool configuration information for the PSFCH indicates a resource for the PSFCH exists in a resource pool, wherein the resource pool configuration information for the PSFCH is transmitted by the base station, and the first field indicates that the HARQ feedback is enabled, and wherein the reporting of HARQ-ACK information by the second terminal (602; 702) is disabled when: the resource pool configuration information for the PSFCH does not include a PSFCH resource, or the first field indicates that the HARQ feedback is disabled. the resource pool configuration information for the PSFCH does not include a PSFCH resource, or the first field indicates that the HARQ feedback is disabled.